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MOLYBDATE [23 records]

Record 1 2013-08-21

English

Subject field(s)
  • Mineralogy
DEF

A salt containing oxyanions of hexavalent molybdenum ...

French

Domaine(s)
  • Minéralogie
DEF

Sel dérivant de l’acide molybdique.

Spanish

Save record 1

Record 2 2013-08-21

English

Subject field(s)
  • Mineralogy
DEF

A molybdate of bismuth ... found as minute, greenish-yellow plates, and in soft white to yellow masses ...

French

Domaine(s)
  • Minéralogie
DEF

Molybdate naturel de bismuth.

Spanish

Campo(s) temático(s)
  • Mineralogía
DEF

Molibdato de bismuto; es un mineral amarillo verdoso que cristaliza en el sistema rómbico.

Save record 2

Record 3 2011-08-30

English

Subject field(s)
  • Chemical Elements and Compounds
  • Biochemistry
OBS

Term(s) taken from a Canadian laboratory-equipment company's catalogue.

French

Domaine(s)
  • Éléments et composés chimiques
  • Biochimie
OBS

Terme(s) tiré(s) du catalogue d’une compagnie canadienne d’équipement de laboratoire.

Spanish

Save record 3

Record 4 2011-08-24

English

Subject field(s)
  • Chemical Elements and Compounds
  • Dyes and Pigments (Industries)
Universal entry(ies)
PbMoO4
formula, see observation
MoO4Pb
formula, see observation
10190-55-3
CAS number
DEF

A poisonous, noncombustible chemical compound which appears under the form of a yellow powder, is soluble in nitric acid, insoluble in water and alcohol, is derived by adding a solution of lead nitrate to a solution of ammonium molybdate followed by concentration and crystallization, and is used in pigments and as an analytical reagent.

OBS

lead(2+) tetraoxomolybdate(2-): form recommended by the IUPAC (International Union of Pure and Applied Chemistry).

OBS

Chemical formula: PbMoO4 or MoO4Pb

French

Domaine(s)
  • Éléments et composés chimiques
  • Teintures et pigments (Industries)
Entrée(s) universelle(s)
PbMoO4
formula, see observation
MoO4Pb
formula, see observation
10190-55-3
CAS number
DEF

Composé chimique toxique, non combustible, se présentant sous la forme d’une poudre jaune, soluble dans l’acide nitrique, insoluble dans l’eau et l’alcool, utilisé comme pigment et réactif analytique.

OBS

tétraoxomolybdate(2-) de plomb(2+) : forme recommandée par l’UICPA (Union internationale de chimie pure et appliquée).

OBS

Formule chimique : PbMoO4 ou MoO4Pb,

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Tinturas y pigmentos (Industrias)
Entrada(s) universal(es)
PbMoO4
formula, see observation
MoO4Pb
formula, see observation
10190-55-3
CAS number
OBS

Polvo amarillo soluble en ácidos, insoluble en agua y alcohol. Incombustible. Muy tóxico.

OBS

Fórmula química: PbMoO4 o MoO4Pb

Save record 4

Record 5 2011-07-05

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
(NH4)2MoO4
formula, see observation
MoO4·2H4N
formula, see observation
H8MoN2O4
formula, see observation
H8N2MoO4
formula, see observation
13106-76-8
CAS number
DEF

A chemical product which appears under the form of a white, crystalline powder, is soluble in water and is used as an analytical reagent, for pigments, as a catalyst for dehydrogenation and desulfurization in petroleum and coal technology, in the production of molybdenum metal and as a source of molybdate ions.

OBS

Chemical formula: (NH4)2MoO4 or MoO4·2H4N or H8MoN2O4 or H8N2MoO4

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
(NH4)2MoO4
formula, see observation
MoO4·2H4N
formula, see observation
H8MoN2O4
formula, see observation
H8N2MoO4
formula, see observation
13106-76-8
CAS number
DEF

Produit chimique se présentant sous la forme de cristaux incolores ou légèrement jaunâtres, soluble dans l’eau froide, les acides et les alcalis, utilisé dans la chimie des aciers, pour la patine sur zinc et comme colorant bleu, comme fixateur en photographie, en microscopie, en céramique et en thérapeutique.

OBS

Formule chimique : (NH4)2MoO4 ou MoO4·2H4N ou H8MoN2O4 ou H8N2MoO4

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
(NH4)2MoO4
formula, see observation
MoO4·2H4N
formula, see observation
H8MoN2O4
formula, see observation
H8N2MoO4
formula, see observation
13106-76-8
CAS number
OBS

Fórmula química: (NH4)2MoO4 o MoO4·2H4N o H8MoN2O4 r H8N2MoO4

Save record 5

Record 6 2011-04-28

English

Subject field(s)
  • Analytical Chemistry
  • Scientific Measurements and Analyses
  • Biotechnology
DEF

Qualitative analysis which consists in detecting the chemical reaction in a drop of the solution analysed; the presence of the expected constituent is confirmed by the appearance of an appropriate coloration, precipitate, or gas bubbles.

CONT

Suspected phosphorite can be checked in the field using a simple spot-test (ammonium molybdate), but the test is sensitive to low phosphate values.

French

Domaine(s)
  • Chimie analytique
  • Mesures et analyse (Sciences)
  • Biotechnologie
CONT

On peut vérifier la présence soupçonnée de phosphorite sur le terrain en faisant un simple essai à la goutte(molybdate d’ammonium), mais le test est sensible à de faibles concentrations de phosphates.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Medición y análisis (Ciencias)
  • Biotecnología
Save record 6

Record 7 2011-04-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
H32Mo7N6O28
formula, see observation
12054-85-2
CAS number
OBS

para-: This prefix must be italicized.

OBS

Chemical formula: H32Mo7N6O28

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
H32Mo7N6O28
formula, see observation
12054-85-2
CAS number
OBS

para- : Ce mot préfixe s’écrit en italique.

OBS

Formule chimique : H32Mo7N6O28

Spanish

Save record 7

Record 8 2011-03-08

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
COH2MoO4
formula, see observation
13762-14-6
CAS number
OBS

Chemical formula: COH2MoO4

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
COH2MoO4
formula, see observation
13762-14-6
CAS number
OBS

Formule chimique : COH2MoO4

Spanish

Save record 8

Record 9 2011-03-08

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
(NH4)6Mo7O24
formula, see observation
Mo7O24·6H4N
formula, see observation
H24Mo7N6O24
formula, see observation
12027-67-7
CAS number
CONT

Ammonium molybdate is ... a representative soluble molybdenum compound. Molybdenum is an essential element for the function of nitrogenase in plants and as a cofactor for enzymes including xanthine oxidoreductase, aldehyde oxidase, and sulfide oxidase in animals. (NH4)6Mo7O24 is the form of ammonium molybdate frequently sold because it is easily prepared at high purity by crystallization from aqueous solutions of MoO3 containing excess NH3. ... AM is used for preparing specialty catalysts and wherever a highly aqueous soluble form of molybdate, free of metal cations, is required. AM is also used as an analytical reagent and as a catalyst for dehydrogenation and desulfurization in petroleum and coal technology ...

OBS

hexaammonium molybdate: usual name.

OBS

ammonium heptamolybdate; ammonium molybdate; generic names (to be avoided).

OBS

AM: This might be an in-house or a non-recognized abbreviation; not to be used alone, to avoid any risk of confusion.

OBS

Chemical formula: (NH4)6Mo7O24 or Mo7O24·6[H4N or H24Mo7N6O24

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
(NH4)6Mo7O24
formula, see observation
Mo7O24·6H4N
formula, see observation
H24Mo7N6O24
formula, see observation
12027-67-7
CAS number
OBS

molybdate d’hexaammonium : nom usuel.

OBS

heptamolybdate d’ammonium; molybdate d’ammonium : noms génériques(à éviter, imprécis).

OBS

Formule chimique : (NH4)6Mo7O24 ou Mo7O24·6[H4N ou H24Mo7N6O24

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
(NH4)6Mo7O24
formula, see observation
Mo7O24·6H4N
formula, see observation
H24Mo7N6O24
formula, see observation
12027-67-7
CAS number
OBS

Fórmula química: (NH4)6Mo7O24 o Mo7O24·6[H4N o H24Mo7N6O24

Save record 9

Record 10 2010-12-08

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
PbMoO4
formula, see observation
DEF

A yellow, orange, or red (sometimes grayish or green) tetragonal mineral [which] occurs in tabular crystals and in granular masses, and is an ore mineral of molybdenum.

OBS

Chemical formula: PbMoO4

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
PbMoO4
formula, see observation
DEF

Minéral(molybdate) du système cristallin quadratique, du groupe de la scheelite, jaune, orange ou orange-rouge brillant, trouvé dans les veines de minerais de plomb.

CONT

La wulfénite [...] rare exemple de tétartoédrie énantiomorphe quadratique [...], est un minéral jaune miel à orange, des zones d’oxydation des gisements de galène.

OBS

Formule chimique : PbMoO4

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
PbMoO4
formula, see observation
DEF

Molibdato de plomo [...] que cristaliza en el sistema cuadrático; se encuentra en forma de cristales tabulares o de pequeños octaedros amarillentos o anaranjados, de fractura concoidea y brillo resinoso.

OBS

Fórmula química: PbMoO4

Save record 10

Record 11 2006-07-04

English

Subject field(s)
  • Chemical Elements and Compounds
  • Geochemistry
CONT

Suspected phosphorite can be checked in the field using a simple spot-test (ammonium molybdate), but the test is sensitive to low phosphate values.

French

Domaine(s)
  • Éléments et composés chimiques
  • Géochimie
CONT

On peut vérifier la présence soupçonnée de phosphorite sur le terrain en faisant un simple essai à la goutte(molybdate d’ammonium), mais le test est sensible à de faibles concentrations de phosphates.

Spanish

Save record 11

Record 12 2004-03-27

English

Subject field(s)
  • Mineralogy

French

Domaine(s)
  • Minéralogie
DEF

Minéral(molybdate) du système cristallin monoclinique, se présentant souvent en agrégats jaune citron ou verdâtres.

Spanish

Save record 12

Record 13 2003-11-10

English

Subject field(s)
  • Chemistry
  • Medication
  • Biochemistry

French

Domaine(s)
  • Chimie
  • Médicaments
  • Biochimie

Spanish

Campo(s) temático(s)
  • Química
  • Medicamentos
  • Bioquímica
Save record 13

Record 14 2003-11-06

English

Subject field(s)
  • Chemical Elements and Compounds
  • Medication
  • Biochemistry

French

Domaine(s)
  • Éléments et composés chimiques
  • Médicaments
  • Biochimie

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Medicamentos
  • Bioquímica
Save record 14

Record 15 2003-10-29

English

Subject field(s)
  • Chemical Elements and Compounds
  • Dyes and Pigments (Industries)
OBS

... lead chromate pigments and lead chromate-molybdate pigments for paints ...

OBS

... lead chromate molybdate sulfate red ...

French

Domaine(s)
  • Éléments et composés chimiques
  • Teintures et pigments (Industries)

Spanish

Save record 15

Record 16 1993-01-28

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
DEF

Commercially, the normal molybdate Na2MoO4 or its dihydrate (called sodium molybdate crystals). Chemically, a wide variety of complex molybdates with sodium are known. Properties: Small, lustrous, crystalline plates .... Uses: Reagent in analytical chemistry; paint pigment; production of molybdated toners and lakes; metal finishing; brightening agent for zinc plating; corrosion inhibitor; catalyst in dye and pigment production; additive for fertilizers and feeds; micronutrient

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)

Spanish

Save record 16

Record 17 1992-07-03

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)

Spanish

Save record 17

Record 18 1985-08-12

English

Subject field(s)
  • Energy Transformation
  • Chemistry
  • Combustion and Fuels (Fireplaces)

French

Domaine(s)
  • Transformation de l'énergie
  • Chimie
  • Combustion et combustibles (Foyers)

Spanish

Save record 18

Record 19 1982-11-22

English

Subject field(s)
  • Shipbuilding

French

Domaine(s)
  • Constructions navales

Spanish

Save record 19

Record 20 1978-08-02

English

Subject field(s)
  • Mineralogy
OBS

A mineral, (...)

French

Domaine(s)
  • Minéralogie
OBS

Molybdate naturel d’uranium.

Spanish

Save record 20

Record 21 1978-08-02

English

Subject field(s)
  • Mineralogy
OBS

A mineral, (...)

French

Domaine(s)
  • Minéralogie
OBS

Molybdate naturel impur de fer.

Spanish

Save record 21

Record 22 1976-06-19

English

Subject field(s)
  • Chemistry

French

Domaine(s)
  • Chimie
OBS

nom d’un réactif contraction de : quinoline, sodium molybdate, citric acc and acetone

Spanish

Save record 22

Record 23 1976-06-19

English

Subject field(s)
  • Chemistry

French

Domaine(s)
  • Chimie
OBS

Contraction de quinoline, sodium molybdate, citric acid and acetone Analyse d’engrais-G. D. Ritchie, Section services d’analyse, Division produits végétaux Utilisé surtout dans la méthode d’analyse des engrais R. Arch.(25 mars 1971)

Spanish

Save record 23

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