Phosphoric Acid

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Phosphoric Acid
Posting date : Dec 21, 2008
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Free Member Scince Dec 21, 2008
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CHEMICAL | Inorganic
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28-
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Chemical-H3PO4 Weight 98.0 Characters 85% phosphoric acid is colorless, transparent or light-colored slightly, viscous liquid-like. Melting point of 42.35 ℃. 213 ℃ boiling point when it (the loss of 1/2H2O), pyrophosphate is generated. Heated to 300 ℃ into a partial phosphate. The relative density of 1.834 (18 ℃). Soluble in water, soluble in ethanol. Its acidic than sulfuric acid, hydrochloric acid and nitric acid, and so weak, but acetic acid, boric acid, and so strong. To stimulate the skin can cause inflammation, tissue damage. Phosphoric acid concentration in the heat of porcelain from time to time erosion. There is moisture absorption.
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