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GELATINOUS PRECIPITATE [2 records]
Record 1 - internal organization data 2014-10-29
Record 1, English
Record 1, Subject field(s)
- Food Industries
- Fatty Substances (Food)
- Grain Growing
Record 1, Main entry term, English
- heat test
1, record 1, English, heat%20test
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Many crude vegetable oils contain large amounts of phosphatides or "break" material. This material is very similar to the parent triglyceride except that one of the fatty acid chains has been replaced by a compound of phosphorus. The phosphatides precipitate as a gelatinous mass when the oil is heated to 260°C to 300°C.... In such a test, the oil is carefully heated in a test tube; if any break is present, the oil clouds at about 260°C and within 5° to 25°C the break will have separated. Also, at the temperature of incipient break, the oil will bleach, the extent of heat-bleach(as well as the amount of break) giving a good indication as to the quality of the oil. 2, record 1, English, - heat%20test
Record number: 1, Textual support number: 1 OBS
Term used at the Canadian Grain Commission. 3, record 1, English, - heat%20test
Record 1, French
Record 1, Domaine(s)
- Industrie de l'alimentation
- Corps gras (Ind. de l'aliment.)
- Culture des céréales
Record 1, Main entry term, French
- essai à la chaleur
1, record 1, French, essai%20%C3%A0%20la%20chaleur
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Beaucoup d'huiles végétales brutes renferment de grandes quantités de phospholipides. Ces substances ressemblent aux triglycérides correspondants sauf que l'un des acides gras est remplacé par un composé phosphoré. Les phospholipides forment en précipitant une masse gélatineuse lorsque l'huile est chauffée entre 260° et 300°C. [...] Il est très important, dans le contrôle de la qualité, de disposer d'un test pour vérifier la présence de phospholipides. Dans l'essai à la chaleur, l'huile est chauffée lentement dans un tube à essai; si elle contient des phospholipides, elle se trouble vers 260°C et une élévation de la température de 5° à 25°C provoque la séparation des phospholipides [...] 2, record 1, French, - essai%20%C3%A0%20la%20chaleur
Record number: 1, Textual support number: 1 OBS
Terme en usage à la Commission canadienne des grains. 3, record 1, French, - essai%20%C3%A0%20la%20chaleur
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Industria alimentaria
- Substancias grasas (Industria alimentaria)
- Cultivo de cereales
Record 1, Main entry term, Spanish
- prueba de resistencia al calor
1, record 1, Spanish, prueba%20de%20resistencia%20al%20calor
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- prueba térmica 1, record 1, Spanish, prueba%20t%C3%A9rmica
feminine noun
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-02-01
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
- Geochemistry
Universal entry(ies) Record 2
Record 2, Main entry term, English
- iron(III) hydroxide
1, record 2, English, iron%28III%29%20hydroxide
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- ferric hydroxide 2, record 2, English, ferric%20hydroxide
correct
- hydrated ferric oxide 3, record 2, English, hydrated%20ferric%20oxide
avoid
- iron oxide yellow 4, record 2, English, iron%20oxide%20yellow
avoid
- ferric hydrate 5, record 2, English, ferric%20hydrate
avoid
- iron hydroxide 6, record 2, English, iron%20hydroxide
avoid
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A reddish brown gelatinous precipitate that is soluble in acids and insoluble in water and alcohol and that is used in pigments and water purification and as a catalyst. 7, record 2, English, - iron%28III%29%20hydroxide
Record number: 2, Textual support number: 1 OBS
ferric hydroxide: [Also used to designate the] red to reddish brown crystalline oxide and hydroxide FeO(OH) occurring in nature as lepidocrocite. 8, record 2, English, - iron%28III%29%20hydroxide
Record number: 2, Textual support number: 1 CONT
The ferric hydroxide is left behind to form a residual deposit at the surface and this is known as a gossan or iron hat ... 9, record 2, English, - iron%28III%29%20hydroxide
Record number: 2, Textual support number: 2 OBS
Chemical formula: Fe(OH)3 7, record 2, English, - iron%28III%29%20hydroxide
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
- Géochimie
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- hydroxyde de fer(III)
1, record 2, French, hydroxyde%20de%20fer%28III%29
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- hydroxyde ferrique 2, record 2, French, hydroxyde%20ferrique
correct, masculine noun
- oxyde ferrique hydraté 3, record 2, French, oxyde%20ferrique%20hydrat%C3%A9
avoid, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Chapeaux oxydés. - Dans la partie supérieure d'un corps minéralisé [...], entre la surface de la nappe phréatique et la surface du sol existe une zone aérée où percolent des eaux chargées d'oxygène et de gaz carbonique. Dans cette zone le filon est oxydé; il y a formation de sulfates et d'hydroxydes ferriques. 4, record 2, French, - hydroxyde%20de%20fer%28III%29
Record number: 2, Textual support number: 1 OBS
Formule chimique : Fe(OH)3 5, record 2, French, - hydroxyde%20de%20fer%28III%29
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Elementos y compuestos químicos
- Geoquímica
Entrada(s) universal(es) Record 2
Record 2, Main entry term, Spanish
- hidróxido férrico
1, record 2, Spanish, hidr%C3%B3xido%20f%C3%A9rrico
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- hidróxido de hierro 2, record 2, Spanish, hidr%C3%B3xido%20de%20hierro
masculine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 OBS
Precipitado pardo, soluble en ácidos, insoluble en agua, alcohol y éter. No combustible. Poco tóxico. 3, record 2, Spanish, - hidr%C3%B3xido%20f%C3%A9rrico
Record number: 2, Textual support number: 2 OBS
Fórmula química: Fe(OH)3 4, record 2, Spanish, - hidr%C3%B3xido%20f%C3%A9rrico
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