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kyselina fosfovolfrámová
Subject h. kyselina fosfovolfrámová Subject h. Phosphotungstic Acid Scope note in English Tungsten hydroxide oxide phosphate. A white or slightly yellowish-green, slightly efflorescent crystal or crystalline powder. It is used as a reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, and carbohydrates. (From Merck Index, 11th ed) 
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