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95420

钨酸

≥98.0% (calcined substance, T), powder

别名:

Tungstic(VI) acid

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关于此项目

线性分子式:
H2WO4
化学文摘社编号:
7783-03-1
分子量:
249.85
NACRES:
NA.23
PubChem Substance ID:
57653679
UNSPSC Code:
12352300
EC Number:
231-975-2
MDL number:
MFCD00011336
Assay:
≥98.0% (calcined substance, T)
Form:
powder
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Quality Level

200

assay

≥98.0% (calcined substance, T)

form

powder

impurities

≤0.2% insoluble matter in NaOH

loss

≤9.0% loss on ignition

density

5.5 g/mL at 25 °C (lit.)

SMILES string

O[W](O)(=O)=O

InChI

1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2

InChI key

CMPGARWFYBADJI-UHFFFAOYSA-L

General description

Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1

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signalword

Warning

pictograms

Exclamation mark
GHS07

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCK6397
BCCJ1263
BCCB9450
BCBV1300
BCBQ9787V

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Renagul Abdurahman et al.
Analytica chimica acta, 658(1), 63-67 (2010-01-20)
In this study, a sensitive optical waveguide (OWG) sensor for the detection and identification of volatile organic compounds (VOCs) was reported. The sensing membrane is constructed by immobilization of peroxopolytungsten acid (PTA) thin film over a single-mode potassium ion (K(+))
R R Bridges et al.
Journal of analytical toxicology, 8(6), 263-268 (1984-11-01)
Common techniques for analyzing ethchlorvynol (Placidyl) by colorimetry and gas liquid chromatography are evaluated. Matrix effects are thoroughly examined to determine their contribution to the validity of results.
Chao-yang Tu et al.
Guang pu xue yu guang pu fen xi = Guang pu, 25(6), 804-807 (2005-10-06)
Cr3+:Al2(WO4)3 Crystal was grown from the Na2WO4 solvent system by using the TSSG method. The absorption spectrum shows that there are two strong absorption wideband peaks and one we ak absorption peak belonging to Cr3+ ion in the crystal. The
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全球贸易项目编号

货号GTIN
95420-100G04061833316061
95420-500G04061833441473