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Phosphotungstic acid 44-hydrate

Phosphotungstic acid 44-hydrate

CAS number: 12067-99-1
Molecular weight: 6498.97
Molecular formula / chemical symbol: P2O5.24(WO3).44(H2O)

Description

Appearance: Colorless gray solid or light yellow small crystal

USES

Organic synthesis reaction catalyst biochemical reagent and chromatographic analysis reagent.

Report

TEST ITEMS(%)	TEST RESULTS
P₂O₅.24(WO₃).44(H₂O)	≥99.5
Water Insoluble	≤0.02
Cl	≤0.02
NH3	≤0.01
SO4	≤0.02
NH4	≤0.02
Fe	≤0.002
Ca	≤0.02
Na	≤0.02
Heavy metal（Pb）	≤0.05