TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A pen whose color-changing ink indicates if a paper or a paperboard is acidic or alkaline.  6, record 1, English, - pH%20testing%20pen

Record number: 1, Textual support number: 1 CONT

The pH testing pen is easy to use; simply draw a small line on the material you wish to test. The Chlorophenol red indicator solution in the pen will turn purple on any paper with a pH of 6. 8 and above. A clear or yellow colour indicates the material is probably unsuitable for conservation purposes.  7, record 1, English, - pH%20testing%20pen

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

[Stylo] à embout de feutre [permettant] de déterminer rapidement et à sec si le pH d'un papier ou d'un carton est acide ou alcalin.  2, record 1, French, - stylo%20pH

Record number: 1, Textual support number: 1 OBS

Même s'il s'agit de deux notions différentes, certains auteurs utilisent les termes «crayon indicateur de pH» et «crayon testeur de pH» pour désigner le stylo pH.  3, record 1, French, - stylo%20pH

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

[A piece of paper] stained with ... a chemical solution that produces many different colour changes corresponding to different pH levels.  4, record 2, English, - universal%20pH%20test%20paper

Record number: 2, Textual support number: 1 OBS

Not to be confused with litmus paper.  5, record 2, English, - universal%20pH%20test%20paper

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

[...] papier imprégné d'un mélange d'indicateurs colorés acido-basiques convenablement choisis pour obtenir un changement de couleur pour chaque unité de valeur de pH.  1, record 2, French, - papier%20indicateur%20universel

Record number: 2, Textual support number: 1 OBS

Ne pas confondre avec le papier tournesol.  3, record 2, French, - papier%20indicateur%20universel

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

... a compound that changes color in solution over a narrow range of pH values.  5, record 3, English, - pH%20indicator

Record number: 3, Textual support number: 1 CONT

pH indicators are used to give a rough value of pH of a chemical solution. For precise measurements, a pH meter is used.  5, record 3, English, - pH%20indicator

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

Substance dont la couleur change dans un domaine assez étroit de pH.  6, record 3, French, - indicateur%20color%C3%A9%20acido%2Dbasique

Record number: 3, Textual support number: 1 CONT

Dès le dix-septième siècle, Robert Boyle utilise des décoctions de plantes comme indicateurs colorés. Dans son ouvrage «expériences sur les couleurs» il explique en 1663 comment mettre en évidence le caractère acide des solutions à l'aide de sirop de violette.  1, record 3, French, - indicateur%20color%C3%A9%20acido%2Dbasique

Record 3,  Textual support,  Spanish

Record number: 3, Textual support number: 1 DEF

Instrumento que mide o indica la concentración de iones hidrógeno en una solución. En una escala de pH de 0 a 14, el 7 indica una solución neutra; de ahí hacia abajo, acidez, y hacia arriba, alcalinidad  1, record 3, Spanish, - indicador%20de%20pH

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 OBS

[pH] paper is used to determine if a solution is acidic, basic or neutral. This is determined by dipping part of the paper into a solution of interest and watching the color change.  4, record 4, English, - pH%20test%20paper

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 CONT

La mesure à l'aide du papier pH consiste à tremper le papier pH dans la solution dont on veut connaître le pH. Le papier change quasi-instantanément de couleur.  2, record 4, French, - papier%20indicateur%20de%20pH

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 DEF

... a blend of pH indicator solutions designed to identify the pH of a solution over a wide range of values.  3, record 5, English, - universal%20pH%20indicator

Record number: 5, Textual support number: 1 CONT

There are several different formulas for universal indicators ... A common mixture includes thymol blue, methyl red, bromothymol blue, and phenolphthalein.  3, record 5, English, - universal%20pH%20indicator

Record number: 5, Textual support number: 2 CONT

Universal indicator has many different colour changes, from red for strongly acidic solutions to dark purple for strongly alkaline solutions. In the middle, neutral pH 7 is indicated by green.  4, record 5, English, - universal%20pH%20indicator

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 CONT

Un indicateur universel est un mélange d'indicateurs dont les points de virage sont étalés de manière à ce que la couleur de la solution varie graduellement sur une large gamme de pH. On peut alors évaluer le pH d'une solution en y versant quelques gouttes de cet indicateur puis en comparant la couleur prise avec une échelle de teinte [...]  3, record 5, French, - indicateur%20de%20pH%20universel

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 CONT

The colour produced when the indicator tablet is added to a sample [of] water is indicative of the pH value.  2, record 6, English, - indicator%20tablet

Record 6,  Textual support,  French

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

... the range in concentration of hydrogen ion, metal ion, or other species over which the eye is able to perceive a variation in hue, colour intensity, fluorescence, or other property of a visual indicator arising from the varying ration of the two relevant forms of the indicator. The concentration(e. g. pH).  1, record 7, English, - transition%20interval

Record number: 7, Textual support number: 1 OBS

For an oxidation-reduction indicator the transition interval is the corresponding range in oxidation-reduction potential.  1, record 7, English, - transition%20interval

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

[...] domaine de concentration d'ions hydrogènes, d'ions métalliques ou d'autres espèces dans lequel l'œil est capable de percevoir la variation de teinte, l'intensité de couleur, de fluorescence ou d'une autre propriété d'un indicateur visuel, variation provoquée par une variation des rapports de concentration des deux formes de l'indicateur. Le domaine s'exprime généralement en logarithme décimal négatif de la concentration (par exemple pH).  1, record 7, French, - intervalle%20de%20virage%20d%27un%20indicateur

Record number: 7, Textual support number: 1 OBS

Pour un indicateur d'oxydoréduction, l'intervalle de virage est une différence de potentiels d'oxydoréduction.  1, record 7, French, - intervalle%20de%20virage%20d%27un%20indicateur

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

An arbitrary measurement of the total alkalinity of water obtained by titration to the methyl red indicator end-point(pH 4, 5).  1, record 8, English, - methyl%20red%20end%2Dpoint%20alkalinity

Record number: 8, Textual support number: 1 OBS

Often used in conjunction with phenolphthalein end-point alkalinity ... to assess the equivalent hydrogen carbonate, carbonate and hydroxide concentration of water.  1, record 8, English, - methyl%20red%20end%2Dpoint%20alkalinity

Record number: 8, Textual support number: 2 OBS

methyl red end-point alkalinity: term and definition standardized by ISO.  2, record 8, English, - methyl%20red%20end%2Dpoint%20alkalinity

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 DEF

Mesurage arbitraire de l'alcalinité totale de l'eau par titrage au point de virage du rouge de méthyle (pH 4,5).  1, record 8, French, - alcalinit%C3%A9%20au%20point%20de%20virage%20du%20rouge%20de%20m%C3%A9thyle

Record number: 8, Textual support number: 1 OBS

Souvent utilisée conjointement avec l'alcalinité au point de virage de la phénolphtaléine [...] afin de déterminer la concentration équivalente en hydrogénocarbonate, en carbonate et en hydroxyde de l'eau.  1, record 8, French, - alcalinit%C3%A9%20au%20point%20de%20virage%20du%20rouge%20de%20m%C3%A9thyle

Record number: 8, Textual support number: 2 OBS

alcalinité au point de virage du rouge de méthyle : terme et définition normalisés par l'ISO.  2, record 8, French, - alcalinit%C3%A9%20au%20point%20de%20virage%20du%20rouge%20de%20m%C3%A9thyle

Record 8,  Textual support,  Spanish

Record number: 8, Textual support number: 1 DEF

Medida arbitraria de la alcalinidad total del agua obtenida por titulación al punto de viraje del indicador rojo de metilo (pH 4,5).  1, record 8, Spanish, - alcalinidad%20al%20punto%20de%20viraje%20del%20rojo%20de%20metilo

Record number: 8, Textual support number: 1 OBS

A menudo se utiliza conjuntamente con la alcalinidad al punto de viraje de la fenolftaleína [...] con el fin de apreciar la concentración equivalente en bicarbonato y en hidróxido del agua.  1, record 8, Spanish, - alcalinidad%20al%20punto%20de%20viraje%20del%20rojo%20de%20metilo

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 DEF

A colorless crystalline compound obtained by extracting logwood(Haematoxylon campechianum) with ether. It may be used as an indicator with a pH range of 5-6, but is mainly used in oxidized form as a stain in microscopy.  2, record 9, English, - hematoxylin

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 DEF

Solution colorante extraite du bois de campêche. Elle sert, en anatomo-pathologie, en histologie et en cytologie, à colorer les préparations microscopiques.  2, record 9, French, - h%C3%A9matoxyline

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 OBS

Term(s) taken from a Canadian laboratory-equipment company’s catalogue.  1, record 10, English, - pH%20indicator%20strip

Record 10,  Textual support,  French

Record number: 10, Textual support number: 1 OBS

Terme(s) tiré(s) du catalogue d'une compagnie canadienne d'équipement de laboratoire.  1, record 10, French, - bande%20indicatrice%20de%20pH

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 OBS

Term(s) taken from a Canadian laboratory-equipment company’s catalogue.  1, record 11, English, - methyl%20purple%20pH%20indicator%20solution

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 OBS

Terme(s) tiré(s) du catalogue d'une compagnie canadienne d'équipement de laboratoire.  1, record 11, French, - indicateur%20de%20pH%20color%C3%A9%20m%C3%A9thylpourpre

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 OBS

Term(s) taken from a Canadian laboratory-equipment company’s catalogue.  1, record 12, English, - Machery%20Nagel%20pH%20indicator%20strip

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 OBS

Terme(s) tiré(s) du catalogue d'une compagnie canadienne d'équipement de laboratoire.  1, record 12, French, - bande%20indicatrice%20Machery%20Nagel

Record 12,  Textual support,  Spanish

Record 13,  Textual support,  English

Record number: 13, Textual support number: 1 DEF

An acid base indicator, showing odor change from yellow to purple over the range pH 3. 0 to 4. 6.  1, record 13, English, - bromophenol%20blue

Record 13,  Textual support,  French

Record number: 13, Textual support number: 1 DEF

Sulfone phtaléine du tétrabromophénol, indicateur de pH (3,0 jaune - 4, 6 violet); opaque aux rayons X.  1, record 13, French, - bleu%20de%20bromoph%C3%A9nol

Record 13,  Textual support,  Spanish

Record 14,  Textual support,  English

Record number: 14, Textual support number: 1 OBS

Term(s) taken from a Canadian laboratory-equipment company’s catalogue.  1, record 14, English, - Baxter%20pH%20indicator%20strip

Record 14,  Textual support,  French

Record number: 14, Textual support number: 1 OBS

Terme(s) tiré(s) du catalogue d'une compagnie canadienne d'équipement de laboratoire.  1, record 14, French, - bande%20indicatrice%20de%20pH%20Baxter

Record 14,  Textual support,  Spanish

Record 15,  Textual support,  English

Record number: 15, Textual support number: 1 DEF

An acid-base indicator, showing color change from red to yellow over the range pH 1. 2-2. 8 and from yellow to purple over the range pH 7. 4-9. 0.  3, record 15, English, - m%2Dcresol%20purple

Record number: 15, Textual support number: 1 OBS

m-cresol purple: The letter "m" must be italicized.  1, record 15, English, - m%2Dcresol%20purple

Record number: 15, Textual support number: 2 OBS

4,4’-(3H-2,1-benzoxathiole-3,3-diyl)bis(3-methylphenol) 1,1-dioxide: The capital letter "H" must be italicized.  1, record 15, English, - m%2Dcresol%20purple

Record number: 15, Textual support number: 3 OBS

meta-cresolsulfonphthalein: The word "meta" must be italicized.  4, record 15, English, - m%2Dcresol%20purple

Record number: 15, Textual support number: 4 OBS

Chemical formula: C₂₁H₁₈O₅S  4, record 15, English, - m%2Dcresol%20purple

Record 15,  Textual support,  French

Record number: 15, Textual support number: 1 DEF

Sulfone phtaléine du m-crésol [...] indicateur de pH 0,5-2,5; (rouge-jaune) et jaune au pourpre de 7,4 à 9,0.  3, record 15, French, - pourpre%20de%20m%2Dcr%C3%A9sol

Record number: 15, Textual support number: 1 OBS

pourpre de m-crésol : La lettre «m» s'écrit en italique.  1, record 15, French, - pourpre%20de%20m%2Dcr%C3%A9sol

Record number: 15, Textual support number: 2 OBS

1,1-dioxyde de 4,4'-(3H-2,1-benzoxathiole-3,3-diyl)bis(3-méthylphénol) : La lettre majuscule «H» s'écrit en italique.  1, record 15, French, - pourpre%20de%20m%2Dcr%C3%A9sol

Record number: 15, Textual support number: 3 OBS

Formule chimique : C₂₁H₁₈O₅S  4, record 15, French, - pourpre%20de%20m%2Dcr%C3%A9sol

Record 15,  Textual support,  Spanish

Record 16,  Textual support,  English

Record number: 16, Textual support number: 1 DEF

A chemical compound which appears under the form of yellow-white crystals, is soluble in alcohol and alkaline solutions, slightly soluble in water, and is used as an indicator(yellow=pH 6. 0; blue pH=7. 6).  4, record 16, English, - 4%2C4%26rsquo%3B%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dmethyl%2D6%2D%28propan%2D2%2Dyl%29phenol%5D%20S%2CS%2Ddioxide

Record number: 16, Textual support number: 1 OBS

4,4’-(3H-2,1-benzoxathiole-3,3-diyl)bis[2-bromo-3-methyl-6-(propan-2-yl)phenol] S,S-dioxide: The capital letter "H" and the capital letters "S" must be italicized; form recommended by the IUPAC (International Union of Pure and Applied Chemistry) for the systematic name corresponding to the CAS number indicated on the present record.  1, record 16, English, - 4%2C4%26rsquo%3B%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dmethyl%2D6%2D%28propan%2D2%2Dyl%29phenol%5D%20S%2CS%2Ddioxide

Record number: 16, Textual support number: 2 OBS

The capital letter "H" in the chemical names must be italicized.  1, record 16, English, - 4%2C4%26rsquo%3B%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dmethyl%2D6%2D%28propan%2D2%2Dyl%29phenol%5D%20S%2CS%2Ddioxide

Record number: 16, Textual support number: 3 OBS

Chemical formula: C₂₇H₂₈Br₂O₅S  4, record 16, English, - 4%2C4%26rsquo%3B%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dmethyl%2D6%2D%28propan%2D2%2Dyl%29phenol%5D%20S%2CS%2Ddioxide

Record 16,  Textual support,  French

Record number: 16, Textual support number: 1 OBS

indicateur de pH (6,0 jaune - 7,6 bleu).  3, record 16, French, - S%2CS%2Ddioxide%20de%204%2C4%27%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dm%C3%A9thyl%2D6%2D%28propan%2D2%2Dyl%29ph%C3%A9nol%5D

Record number: 16, Textual support number: 2 OBS

S,S-dioxide de 4,4'-(3H-2,1-benzoxathiole-3,3-diyl)bis[2-bromo-3-méthyl-6-(propan-2-yl)phénol] : Les lettres majuscules «S» et «H» s'écrivent en italique; forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée) pour le nom systématique correspondant au numéro CAS indiqué sur la présente fiche.  1, record 16, French, - S%2CS%2Ddioxide%20de%204%2C4%27%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dm%C3%A9thyl%2D6%2D%28propan%2D2%2Dyl%29ph%C3%A9nol%5D

Record number: 16, Textual support number: 3 OBS

La lettre majuscule «H» dans les noms chimiques s'écrit en italique.  1, record 16, French, - S%2CS%2Ddioxide%20de%204%2C4%27%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dm%C3%A9thyl%2D6%2D%28propan%2D2%2Dyl%29ph%C3%A9nol%5D

Record number: 16, Textual support number: 4 OBS

Formule chimique : C₂₇H₂₈Br₂O₅S  4, record 16, French, - S%2CS%2Ddioxide%20de%204%2C4%27%2D%283H%2D2%2C1%2Dbenzoxathiole%2D3%2C3%2Ddiyl%29bis%5B2%2Dbromo%2D3%2Dm%C3%A9thyl%2D6%2D%28propan%2D2%2Dyl%29ph%C3%A9nol%5D

Record 16,  Textual support,  Spanish

Record number: 16, Textual support number: 1 OBS

Sólido marrón claro, poco soluble en agua y soluble en alcohol y éter.  2, record 16, Spanish, - azul%20de%20bromotimol

Record number: 16, Textual support number: 2 OBS

Fórmula química: C₂₇H₂₈Br₂O₅S  3, record 16, Spanish, - azul%20de%20bromotimol

Record 17,  Textual support,  English

Record number: 17, Textual support number: 1 DEF

An azo dye used as an acid-base indicator; used for titrations involving weak bases.  7, record 17, English, - methyl%20orange

Record number: 17, Textual support number: 1 CONT

Methyl orange is an intensely colored compound used in dyeing and printing textiles. It is also known as C. I. Acid Orange 52, C. I. 13025, helianthine B, Orange III, Gold orange, and Tropaeolin D. Chemists use methyl orange as an indicator in the titration of weak bases with strong acids. It changes from red(at pH 3. 1) to orange-yellow(at pH 4. 4).... Methyl orange is synthesized by reaction of sulfanilic acid, sodium nitrite, and dimethylaniline.  8, record 17, English, - methyl%20orange

Record number: 17, Textual support number: 2 CONT

Basis for calculations for removal of carbonate hardness by lime, and checking the results obtained. ... the complete alkalinity titration of the raw water (measured in the presence of methyl orange) ...  9, record 17, English, - methyl%20orange

Record number: 17, Textual support number: 1 OBS

sodium 4-{[4-(dimethylamino)phenyl]}benzene-1-sulfonate: form recommended by the IUPAC (International Union of Pure and Applied Chemistry).  2, record 17, English, - methyl%20orange

Record number: 17, Textual support number: 2 OBS

C.I. Acid orange 52: part of the Ingredient Disclosure List of the Hazardous Products Act (Registration SOR/88-64, December 31, 1987).  10, record 17, English, - methyl%20orange

Record number: 17, Textual support number: 3 OBS

[Also known under a large number of commercial designations, such as]: C.I. 13205; Dexon; Diazoben; KCA methyl orange; helianthine B; methyl orange B; Orange 3; Orange III.  11, record 17, English, - methyl%20orange

Record number: 17, Textual support number: 4 OBS

Chemical formula: C₁₄H₁₄N₃O₃S•Na or NaO₃S-C₆H₄-N=N-C₆H₄-N(CH₃)₂  10, record 17, English, - methyl%20orange

Record 17,  Textual support,  French

Record number: 17, Textual support number: 1 OBS

Colorant pour laine et soie; indicateur de pH rose <3,1-4,4> jaune.  5, record 17, French, - 4%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Ddiaz%C3%A9nyl%7Dbenz%C3%A8ne%2D1%2Dsulfonate%20de%20sodium

Record number: 17, Textual support number: 1 CONT

Bases de calcul et contrôles de la décarbonatation à la chaux. [...] titre alcalimétrique complet de l'eau brute (mesuré en présence de méthylorange) [...]  6, record 17, French, - 4%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Ddiaz%C3%A9nyl%7Dbenz%C3%A8ne%2D1%2Dsulfonate%20de%20sodium

Record number: 17, Textual support number: 2 OBS

4-{[4-(diméthylamino)phényl]diazényl}benzène-1-sulfonate de sodium : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).  1, record 17, French, - 4%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Ddiaz%C3%A9nyl%7Dbenz%C3%A8ne%2D1%2Dsulfonate%20de%20sodium

Record number: 17, Textual support number: 3 OBS

Orange acide, C.I. 52 : fait partie de la Liste de divulgation des ingrédients de la Loi sur les produits dangereux (du Canada; enr. DORS s/88-64, 31 déc. 1987).  7, record 17, French, - 4%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Ddiaz%C3%A9nyl%7Dbenz%C3%A8ne%2D1%2Dsulfonate%20de%20sodium

Record number: 17, Textual support number: 4 OBS

C.I. : Abréviation faisant référence à la nomenclature du Colour Index publié par la Society of Dyers and Colourists des États-Unis.  1, record 17, French, - 4%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Ddiaz%C3%A9nyl%7Dbenz%C3%A8ne%2D1%2Dsulfonate%20de%20sodium

Record number: 17, Textual support number: 5 OBS

Formule chimique : C₁₄H₁₄N₃O₃S•Na ou NaO₃S-C₆H₄-N=N-C₆H₄-N(CH₃)₂  7, record 17, French, - 4%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Ddiaz%C3%A9nyl%7Dbenz%C3%A8ne%2D1%2Dsulfonate%20de%20sodium

Record 17,  Textual support,  Spanish

Record number: 17, Textual support number: 1 OBS

Fórmula química: C₁₄H₁₄N₃O₃S•Na o NaO₃S-C₆H₄-N=N-C₆H₄-N(CH₃)₂  2, record 17, Spanish, - anaranjado%20de%20metilo

Record 18,  Textual support,  English

Record number: 18, Textual support number: 1 CONT

pH can be described as being an indicator of the acidic or basic condition of the water.  1, record 18, English, - basic%20condition

Record 18,  Textual support,  French

Record number: 18, Textual support number: 1 CONT

Le pH peut se définir comme étant un indice du degré d'acidité et de basicité de l'eau.  2, record 18, French, - degr%C3%A9%20de%20basicit%C3%A9

Record number: 18, Textual support number: 2 CONT

Le degré de basicité est mesuré en unité de pH variant de 7 à 14, où 7 est neutre et 14 très basique.  3, record 18, French, - degr%C3%A9%20de%20basicit%C3%A9

Record 18,  Textual support,  Spanish

Record 19,  Textual support,  English

Record number: 19, Textual support number: 1 DEF

Logarithm of the reciprocal of the hydrogen-ion concentration in a solution (-log₁₀[H⁺]) used as a measure of the degree of acidity or alkalinity of this solution.  3, record 19, English, - pH

Record number: 19, Textual support number: 1 CONT

Roughly, pH can be divided into the following ranges: pH 0-2: Strongly acidic; pH 3-5: Weakly acidic; pH 6-8: Neutral; pH 9-11: Weakly basic; pH 12-14: Strongly basic. Under the Controlled Products Regulations, materials with pH values of 0-2 or 11.5-14 may be classified corrosive.  4, record 19, English, - pH

Record number: 19, Textual support number: 1 OBS

A pH of 7 is regarded as neutral (pure water), a pH less than 7 corresponds to an acid solution and a pH greater than 7 corresponds to an alkaline solution.  3, record 19, English, - pH

Record number: 19, Textual support number: 2 OBS

It should be noted that the pH scale is a logarithmic scale; a substance with a pH of 4 is more than twice as acid as a substance with a pH of 5. Similarly, a substance with a pH of 9 is much more than twice as alkaline as a substance with a pH of 8.  5, record 19, English, - pH

Record number: 19, Textual support number: 1 PHR

pH buffer solution, control, decline, diagram, electrode, gradient, indicator, limit, measurement, meter, modifier, probe, range, scale, unit, value.  6, record 19, English, - pH

Record 19,  Textual support,  French

Record number: 19, Textual support number: 1 DEF

Indice exprimant l'activité (ou la concentration) de l'ion hydrogène dans une solution à l'aide d'une échelle logarithmique.  5, record 19, French, - pH

Record number: 19, Textual support number: 1 OBS

Si le pH est inférieur à 7, la solution est acide; s'il est supérieur, elle est alcaline.  5, record 19, French, - pH

Record number: 19, Textual support number: 1 PHR

valeur de pH.  6, record 19, French, - pH

Record 19,  Textual support,  Spanish

Record number: 19, Textual support number: 1 DEF

Cologaritmo de la concentración de iones hidrógeno en una solución (-log₁₀[H⁺]) utilizado como medida del grado de acidez o alcalinidad de esta solución.  3, record 19, Spanish, - pH

Record number: 19, Textual support number: 1 OBS

Un pH de 7 se considera neutro (agua pura), un pH inferior a 7 corresponde a una solución ácida y un pH superior a 7 a una solución alcalina.  3, record 19, Spanish, - pH

Record number: 19, Textual support number: 1 PHR

valor de pH.  4, record 19, Spanish, - pH

Record 20,  Textual support,  English

Record number: 20, Textual support number: 1 CONT

Litmus milk is a complex medium that can potentially distinguish among many species of bacteria. Litmus milk has several components that can be metabolized : lactose(milk sugar) ;casein(milk protein) ;and litmus(a pH indicator that is purple to blue at neutral to alkaline pH and pink under acid conditions).  1, record 20, English, - litmus%20milk

Record 20,  Textual support,  French

Record 20,  Textual support,  Spanish

Record 21,  Textual support,  English

Record number: 21, Textual support number: 1 DEF

Blue, water-soluble powder from various lichens, especially Variolaria lecanora and V. rocella; turns red in solutions at pH 4. 5 and blue at pH 8. 3; used as an acid-base indicator.  2, record 21, English, - litmus

Record 21,  Textual support,  French

Record number: 21, Textual support number: 1 DEF

Mélange de colorants, tiré de l'orseille et contenant de l'orcéine, qui s'emploie en solution ou déposé sur papier, comme indicateur coloré, bleu en milieu basique (pH = 8,3), rouge en milieu acide (pH = 4,5).  2, record 21, French, - tournesol

Record 21,  Textual support,  Spanish

Record 22,  Textual support,  English

Record number: 22, Textual support number: 1 DEF

Dibromo-o-cresol sulfonphthalein, a yellow powder soluble in water; used as an indicator between pH 5. 2(yellow) and 6. 8(purple).  2, record 22, English, - bromocresol%20purple

Record 22,  Textual support,  French

Record number: 22, Textual support number: 1 DEF

Dibromo o-crésol sulfonephtaléine [...] indicateur de PH, jaune au-dessous de 5,2, pourpre au-dessus de 6,8.  2, record 22, French, - pourpre%20de%20bromocr%C3%A9sol

Record 22,  Textual support,  Spanish

Record 23,  Textual support,  English

Record number: 23, Textual support number: 1 DEF

An acid-base indicator which is yellow at pH values below 6. 8 and red at pH values above 8. 0.  2, record 23, English, - phenol%20red

Record 23,  Textual support,  French

Record number: 23, Textual support number: 1 DEF

Indicateur coloré, jaune en milieu acide (au-dessous de pH 6,8) et rouge en milieu alcalin (au-dessus de pH 8,0).  2, record 23, French, - rouge%20de%20ph%C3%A9nol

Record 23,  Textual support,  Spanish

Record 24,  Textual support,  English

Record number: 24, Textual support number: 1 OBS

This dye has been widely used in many staining methods, but its commonest use is probably as a simple red nuclear counterstain. It is an indicator as well as a dye. It changes from red to yellow over the pH range 6. 8-8. 0. It has also been incorporated into bacteriological growth media.  3, record 24, English, - neutral%20red

Record number: 24, Textual support number: 2 OBS

The names nuclear fast red and kernechtrot are usually applied to another dye, also known as calcium red, CI 60760, which can be used as a red nuclear stain in solution with potassium alum. If a technique calls for nuclear fast red or kernechtrot, it is probably this latter dye to which it refers, not neutral red.  3, record 24, English, - neutral%20red

Record 24,  Textual support,  French

Record number: 24, Textual support number: 1 OBS

Applications : Indicateur de pH; Coloration vitale; Colorations embryologiques.  3, record 24, French, - rouge%20neutre

Record 24,  Textual support,  Spanish

Record 25,  Textual support,  English

Record number: 25, Textual support number: 1 DEF

Strip of filter-paper saturated with suitable reagent, e. g. pH indicator.  1, record 25, English, - indicator%20paper

Record 25,  Textual support,  French

Record number: 25, Textual support number: 1 DEF

Papier non collé, imbibé par immersion d'un réactif coloré ou susceptible de développer une coloration. EX.: papier tournesol, à l'acétate de plomb, au curcuma, à l'iodure de potassium-amidon, etc.  1, record 25, French, - papier%20r%C3%A9actif

Record 25,  Textual support,  Spanish

Record 26,  Textual support,  English

Record number: 26, Textual support number: 1 DEF

Determination of the hydrogen-ion concentration in an ionized solution by means of an indicator solution(such as phenol phthalein) or a pH meter.  2, record 26, English, - pH%20measurement

Record number: 26, Textual support number: 1 CONT

The two general methods available for the determination of hydrogen-ion activity and the pH values of solutions are the potentiometric procedures and the calorimetric procedures. ... At the present time the glass electrode, in combination with reference electrodes, is the cell most used for pH measurements.  3, record 26, English, - pH%20measurement

Record 26,  Textual support,  French

Record number: 26, Textual support number: 1 CONT

La mesure de l'activité des ions H+, c'est-à-dire la mesure du pH d'une solution, peut se faire par voie électrométrique ou par voie colorimétrique. La détermination électrométrique du pH repose sur la mesure de la f.é.m. [...]  1, record 26, French, - mesure%20de%20pH

Record 26,  Textual support,  Spanish

Record 27,  Textual support,  English

Record number: 27, Textual support number: 1 DEF

[An] acid-base indicator which is blue in alkaline solutions and red in acid solutions. Colour changes between pH 5 and pH 8. It is the chief colour constituent of litmus.  3, record 27, English, - azolithmin

Record 27,  Textual support,  French

Record number: 27, Textual support number: 1 DEF

Matière colorante qui paraît constituer la partie essentielle de la liqueur de tournesol, et qui vire au rouge en milieu acide et en bleu en milieu alcalin (virage entre pH = 5 et pH = 8).  2, record 27, French, - azolitmine

Record 27,  Textual support,  Spanish

Record 28,  Textual support,  English

Record number: 28, Textual support number: 1 CONT

For example, if the pool water is actually pH 5. 0, the colour development will indicate a pH of 6. 8 if phenol red is used, or if the actual pH is 10. 0, the colour development will indicate a pH of 8. 4. This principle applies to any indicator dye.  1, record 28, English, - indicator%20dye

Record 28,  Textual support,  French

Record number: 28, Textual support number: 1 CONT

Par exemple, si le pH de l'eau est de 5,0, la coloration obtenue avec le rouge de phénol indiquera un pH de 6,8 ou encore si le pH réel est de 10,0, la coloration obtenue indiquera un pH de 8,4. Ce principe vaut pour tous les colorants indicateurs.  1, record 28, French, - colorant%20indicateur

Record 28,  Textual support,  Spanish

Record 29,  Textual support,  English

Record number: 29, Textual support number: 1 DEF

Small golden crystals, soluble in water or alcohol. Used in pharmacy as epithelial stimulant in minor skin injuries and affections; also as an indicator, changing at pH 2. 0 from yellow(acid) to green(alcaline).(Source : Hack's Chemical Dict.).  1, record 29, English, - brilliant%20green

Record 29,  Textual support,  French

Record 29,  Textual support,  Spanish

Record 30,  Textual support,  English

Record number: 30, Textual support number: 1 DEF

Calcite Saturation Index(CSI) : CSI is an indicator of the pH/alkalinity relationship. It is also the logarithm of the degree of saturation of a water body with respect to CaCO3.  1, record 30, English, - Calcite%20Saturation%20Index

Record number: 30, Textual support number: 2 DEF

C.S.I.: Calcite saturation index. A means to estimate the remaining buffering capacity in a body of water.  3, record 30, English, - Calcite%20Saturation%20Index

Record number: 30, Textual support number: 1 CONT

Table 5 shows the variability of some northern Saskatchewan lakes with respect to PH of alcalinity, calcium and various other ions and the CSI index.  5, record 30, English, - Calcite%20Saturation%20Index

Record 30,  Textual support,  French

Record number: 30, Textual support number: 1 DEF

Indication numérique qui reflète la saturation d'un milieu en calcite et qui vise ainsi à établir un rapport entre le pH et l'alcalinité (pouvoir tampon) de ce milieu.  5, record 30, French, - indice%20de%20saturation%20calcique

Record number: 30, Textual support number: 1 CONT

L'indice de saturation calcique (ISC). [...] constitue un paramètre qui, en intégrant les éléments basiques et acides du milieu (pH et alcalinité), constitue une mesure de la sensibilité d'un milieu aquatique à l'acidification. Plus la valeur de l'ISC est élevée, plus les eaux sont sensibles à l'acidification.  6, record 30, French, - indice%20de%20saturation%20calcique

Record number: 30, Textual support number: 1 OBS

Pour déterminer l'indice de saturation on peut utiliser soit l'adjectif "calcique" soit la locution "de la calcite". Le terme "calcique" signifie "relatif au calcium"; il est moins précis que "calcite" qui désigne le carbonate de calcium (CaCO3), forme la plus répandue du calcium dans la nature. Au Québec, "indice de saturation calcique" est cependant le terme le plus employé.  7, record 30, French, - indice%20de%20saturation%20calcique

Record 30,  Textual support,  Spanish

Record 31,  Textual support,  English

Record number: 31, Textual support number: 1 OBS

The negative logarithm of the hydrogen-ion activity of a soil. The degree of acidity or alkalinity of a soil as determined by means of a glass, quinhydrone, or other suitable electrode or indicator at a specified moisture content or soil-water ratio, and expressed in terms of the pH scale.  1, record 31, English, - soil%20pH

Record 31,  Textual support,  French

Record number: 31, Textual support number: 1 OBS

Logarithme négatif de l'activité des ions d'hydrogène d'un sol. Degré d'acidité ou d'alcalinité, mesuré au moyen d'une électrode en verre, d'une électrode à quinhydrone ou de tout autre électrode ou indicateur approprié, d'un sol ayant une teneur en eau ou un rapport sol/eau déterminé; s'exprime en unités de l'échelle des pH.  1, record 31, French, - pH%20du%20sol

Record 31,  Textual support,  Spanish