Merck
CN

10035

Sigma-Aldrich

偏钨酸铵 水合物

≥85% WO3 basis (gravimetric)

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别名:
AMT, Hexaammonium wolframate hydrate, Tungstic acid hexaammonium salt
线性分子式:
(NH4)6H2W12O40 · xH2O
CAS号:
分子量:
2956.30 (anhydrous basis)
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

质量水平

检测方案

≥85% WO3 basis (gravimetric)

形式

solid

reaction suitability

reagent type: catalyst
core: tungsten

杂质

≤0.005% water-insoluble matter

缺失

≤15% loss on ignition

mp

100 °C (dec.) (lit.)

SMILES string

N.N.N.N.N.N.O.O[W]1O[W](O)(=O)(O1)O[W]2(=O)(=O)O[W](O)(=O)(O2)O[W]3(=O)(=O)O[W](O)(=O)(O3)O[W]4(=O)(=O)O[W](O)(=O)(O[W]5(=O)(=O)O[W](O)(=O)(O[W]6(=O)(=O)O[W](O)(O)O6)O5)O4

InChI

1S/6H3N.9H2O.32O.12W/h6*1H3;9*1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6*+1;+2/p-8

InChI key

ZBHPUDGBNLMJQH-UHFFFAOYSA-F

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此商品
223336463922358975
Ammonium metatungstate hydrate ≥85% WO3 basis (gravimetric)

Sigma-Aldrich

10035

偏钨酸铵 水合物

Sodium tungstate dihydrate ACS reagent, ≥99%

Sigma-Aldrich

223336

钨酸钠 二水合物

Ammonium metatungstate hydrate 99.99% trace metals basis

Sigma-Aldrich

463922

偏钨酸铵 水合物

Ammonium metatungstate hydrate ≥66.5% (W)

Sigma-Aldrich

358975

偏钨酸铵 水合物

form

solid

form

crystalline powder

form

powder

form

crystalline

mp

100 °C (dec.) (lit.)

mp

698 °C (lit.)

mp

100 °C (dec.) (lit.)

mp

100 °C (dec.) (lit.)

reaction suitability

reagent type: catalyst
core: tungsten

reaction suitability

reagent type: catalyst
core: tungsten

reaction suitability

reagent type: catalyst
core: tungsten

reaction suitability

reagent type: catalyst
core: tungsten

impurities

≤0.005% water-insoluble matter

impurities

≤0.01% insolubles, ≤0.02 meq/g Titr. free base

impurities

≤150.0 ppm Trace Metal Analysis

impurities

-

loss

≤15% loss on ignition

loss

-

loss

-

loss

-

一般描述

偏钨酸铵水合物被用作原料,制备用于还原NOx的催化剂。它也可用作化学气相沉积法制备氧化钨薄膜的前驱体。

象形图

CorrosionExclamation mark

警示用语:

Danger

危险声明

危险分类

Acute Tox. 4 Oral - Eye Dam. 1

储存分类代码

11 - Combustible Solids

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


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Dalton transactions (Cambridge, England : 2003), 49(38), 13282-13293 (2020-09-17)
Materials from the WO3-Nb2O5 system, presenting bronze-type crystal structures, display outstanding functional properties for several applications as thermoelectric materials, lithium-ion battery electrodes, or catalysts. In this work, a series of W-Nb-O oxide bronzes have been synthesized by the hydrothermal method
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A flame spray pyrolysis (FSP) method has been developed, for controlled doping of BiVO4 nanoparticles with W and Zr in tandem with the oxygen vacancies (Vo) of the BiVO4 lattice. Based on XPS and Raman data, we show that the
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WO3-treated fullerene/TiO2 composites (WO3-fullerene/TiO2) were prepared using a sol-gel method. The composite obtained was characterized by BET surface area measurements, X-ray diffraction, scanning electron microscopy, energy dispersive X-ray analysis, transmission electron microscopy, and UV-vis analysis. A methyl orange (MO) solution
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