Name: Phosphotungstic Acid
SKU: 67128389
Price: 3644.00 ZAR
Availability: InStock
ISBN: 9786131048760

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Publisher

Betascript Publishing

Language

English

Format

Paperback

ISBN13

9786131048760

Phosphotungstic Acid

New Book Imported to South Africa

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Synopsis "Phosphotungstic Acid"

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Phosphotungstic acid (PTA), tungstophosphoric acid (TPA), is a heteropoly acid with the chemical formula H3PW12O40. It normally present as a hydrate. EPTA is the name of ethanolic phosphotungstic acid, its alcohol solution used in biology. It has the appearance of small, colorless-grayish or slightly yellow-green crystals, with melting point 89 C (24 H2O hydrate). It is odorless and soluble in water (200 g/100 ml). It is not especially toxic, but is a mild acidic irritant.In the above the "12" or "dodeca" reflects the fact that the anion contains 12 tungsten atoms. Some early workers who did not know the structure, such as Hsien Wu, called it phospho-24-tungstic acid, formulating it as 3H2O.P2O5 24WO3.59H2O, (P2W24O80H6).29H2O, which correctly identifies the atomic ratios of P, W and O. This formula was still quoted in papers as late as 1970.

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