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Tungstic acid refers to hydrated forms of tungsten trioxide, WO3.
T 2516 (OTTO) Tungstic acid, 99% Cas 7783-03-1 - used as a mordant and a dye in textiles. T 2516 (OTTO) Tungstic acid, 99% Cas 7783-03-1 - used in preparing tungsten metal and many tungsten compounds.