Dicalcium pyrophosphate

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(TETRA CALCIUM PYROPHOSPHATE(TCPP), CALCIUM PYROPHOSPHATE) CALCIUM PYROPHOSPHATE calls burnt phosphoric acid again four calciums or phosphoric ac…

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(TETRA CALCIUM PYROPHOSPHATE(TCPP), CALCIUM PYROPHOSPHATE) CALCIUM PYROPHOSPHATE calls burnt phosphoric acid again four calciums or phosphoric acids are four calciums, the derivatives of positive calcium phosphate salt, a sour type salt to heat but make into. External appearance: Have no smelly tasteless, white powder crystal. Its molecular formula: Ca2 P2 O7; Molecular weight: 254.12 ; Opposite density 3.09; The melting point is 1230 ℃ . Not being dissolved to water is dissolved to Chun, be not dissolved to the sparse hydrochloric acid and the nitric acid. CALCIUM PYROPHOSPHATE can form three different crystal types under the different temperature: The temperature is in 360-450 ℃ is have no fixed form; In 530-750 ℃ is ? Type; In 750-900 ℃ is a β type; In 1210 ℃ is a α type. 10% suspends the pH of liquid to 5.5~7.0.

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