Synonym:
Phosphotungstic acid trisodium salt hydrate,
Tungstophosphoric acid trisodium salt
CAS Number 12026-98-1
Linear Formula Na3[P(W3O10)4] · aq
Molecular Weight 2946.00 (anhydrous basis)
EC Number 234-716-1
MDL number MFCD00151658
PubChem Substance ID 329753864
Properties:
Related Categories
Analytical Reagents,
Analytical Reagents for General Use,
Analytical/Chromatography,
Essential Chemicals,
Puriss p.a.,
Q-S, Puriss p.a.,
Research Essentials,
Salts,
Tungsten Salts
More...
InChI Key
XJAYTBQTWJVCCZ-UHFFFAOYSA-K
grade
puriss. p.a.
loss
6-9% loss on ignition
anion traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg
cation traces
Fe: ≤50 mg/kg
K: ≤200 mg/kg
NH4+: ≤20 mg/kg
Pb: ≤50 mg/kg
Description:
Application
Sodium phosphotungstate tribasic hydrate was employed as stain in transmission electron microscopic (TEM) studies. It may be used in the preparation of negative stains for use in microfluidic-dialysis conditioning module, which comprises the main unit of electron microscopy (EM) grids.
General description
Sodium phosphotungstate tribasic hydrate is the hydrated trisodium salt of phosphotungstic acid.