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277908

Sigma-Aldrich

Ammonium molybdate

99.98% trace metals basis

Synonym(s):

Ammonium orthomolybdate, Diammonium molybdate

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25 MG
¥1,081.44

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Estimated to ship on2025年5月19日Details

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25 MG
¥1,081.44

About This Item

Linear Formula:
(NH4)2MoO4
CAS Number:
13106-76-8
Molecular Weight:
196.01
EC Number:
236-031-3
MDL number:
MFCD00011596
UNSPSC Code:
12352302
PubChem Substance ID:
24856791
NACRES:
NA.23
form:
solid
solubility:
ethanol: insoluble(lit.)

¥1,081.44

Estimated to ship on2025年5月19日Details

Request a Bulk Order

Quality Level

100

Assay

99.98% trace metals basis

form

solid

reaction suitability

reagent type: catalyst
core: molybdenum

technique(s)

electron microscopy: suitable

impurities

≤250.0 ppm Trace Metal Analysis

solubility

ethanol: insoluble(lit.)

SMILES string

N.N.O[Mo](O)(=O)=O

InChI

1S/Mo.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2

InChI key

LZRXBDCICLHKEN-UHFFFAOYSA-L

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杨梅黄素

杨梅黄素 phyproof® Reference Substance

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杨梅黄素

杨梅黄素 ≥96.0%, crystalline

M6760

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form

solid

form

powder

form

solid

form

crystalline

Quality Level

100

Quality Level

200

Quality Level

-

Quality Level

100

manufacturer/tradename

Calbiochem®

manufacturer/tradename

-

manufacturer/tradename

PhytoLab

manufacturer/tradename

-

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

storage condition

OK to freeze, protect from light

storage condition

-

storage condition

-

storage condition

-

General description

Ammonium molybdate can be prepared by dissolving molybdenum trioxide in ammonia.[1]

Application

Ammonium molybdate has been used to prepare phosphomolybdates.[2] (NH4)2MoO4 was used as an analytical reagent for quantitative analysis of phosphates, silicates, arsenates and lead in their aqueous solutions.2 At saturated concentration, (NH4)2MoO4 was used to perform cryo-negative staining[3][4] and as a negative stain in biological electron microscopy.[5] Ammonium molybdate was used in study of crystallisation of cell-free-expressed membrane proteins.[6]
Ammonium molybdate has been used to prepare phosphomolybdates.[2] (NH4)2MoO4 was used as an analytical reagent for quantitative analysis of phosphates, silicates, arsenates and lead in their aqueous solutions.[7] At saturated concentration, (NH4)2MoO4 was used to perform cryo-negative staining[3][4] and as a negative stain in biological electron microscopy.[5] Ammonium molybdate was used in study of crystallisation of cell-free-expressed membrane proteins.[6]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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    Certificates of Analysis (COA)

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    0000414337
    0000414335
    0000414335
    0000414337
    0000404024

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    Handbook of Non-Ferrous Metal Powders: Technologies and Applications null
    Negative staining
    Harris JR et al.
    Electron Microscopy in Biology (1991)
    M Adrian et al.
    Micron (Oxford, England : 1993), 29(2-3), 145-160 (1998-07-31)
    A procedure is presented for the preparation of thin layers of vitrified biological suspensions in the presence of ammonium molybdate, which we term cryo-negative staining. The direct blotting of sample plus stain solution on holey carbon supports produces thin aqueous
    S De Carlo et al.
    Journal of structural biology, 138(3), 216-226 (2002-09-10)
    Beam damage is the main resolution-limiting factor when biological particles are observed by cryoelectron microscopy in a thin vitrified solution film. Furthermore, the low contrast of the specimen frequently makes observation difficult and limits the possibility of image processing. Cryo-negative
    Principles of micro Sequential Injection Analysis in the Lab-on-Valve format and its Introduction into a Teaching Laboratory
    Decuir MS, et al.
    Journal of Flow Injection Analysis, 24(2), 103-103 (2007)
    View All Related Papers

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