phosphomolybdic acid


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phosphomolybdic acid

[¦fā·sfō·mə′lib·dik ′as·əd]
(inorganic chemistry)
H3PO4·12MoO3· x H2O Yellow crystals; soluble in alcohol, ether, and water; used as an alkaloid reagent and a pigment. Abbreviated PMA.
References in periodicals archive ?
The Folin-Denis reagent was prepared by mixing 100 g sodium tungstate, 20 g phosphomolybdic acid and 50 ml phosphoric acid with 750 ml water.
USA); and phosphomolybdic acid was obtained from BDH, Dorset, UK.
An equal volume of each extract and 2% solution of phosphomolybdic acid in absolute ethanol were mixed at room temperature, and the absorbance was measured by a spectrophotometer (UNICAM UV 300) at 492 nm after 5 min (Attard and Scicluna-Spiteri, 2001).
The inorganic phosphorus concentration of serum was measured using the phosphomolybdic acid method (Fiske and Subbarow, 1925).
Potassium hydroxide was from Chemapol, Checkoslovakia; manganese(II)chloride, sulphuric acid, and phosphomolybdic acid were from Reakhim, Russia.
Tested for Presence/ Test performed absence * Phenols +++ Phosphomolybdic acid test Tannins +++ Braemer's test Steroids and ++ Liebermann- Terpenoids (Terpenoids) Burchardt test Alkaloids - Dragendorff's test Anthraquinones - Borntrager test Flavonoids ++ Shinoda's test * - absent + Traces +++ Abundant Table 2 TLC finger printing profile of methanolic extract of H.