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nature : Ca (PO3) 2 a thermal phosphate, containing pure calcium oxide 28.3% and 71.7% P2O5, both the molecular ratio equal to 1. There are two contrasting and glassy. Density 2.82. The temperature of 970 ° C to 980. Partial calcium phosphate are white, and do not dissolve in water, nor dissolve citrate solution, basically without fertilizer efficiency. Glassy partial pure calcium is colorless, may be a polymer [Ca (PO3) 2] n, in a micro-air hygroscopicity, the water will slowly dissolve and hydrolysis, but sour or steam exists, the rapid decomposition on the formation of calcium phosphate. Industrial products with a light green, containing calcium oxide 26% ~ 27% and ~ 63% P2O5 64% is a good citrate soluble phosphate. Phosphorus from the combustion air into phosphorus pentoxide, with powder in the high-temperature steam and the presence and role in the system.
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