Phosphotungstic Acid

Phosphotungstic Acid

Phosphotungstic acid (PTA) is an electron dense, water-soluble heteropoly acid. Available in a variety of quantities, PTA can be used as a catalyst, a histological stain component, a negative stain for transmission electron microscopy, etc.
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: tungstophosphoric acid. : O.O : 12-tungstophosphoric acid hydrate. : MFCD00011342.
: Phosphotungstic acid hydrate. : White. : Ambient temperatures. : MFCD00041964.