Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1983-07-08
1984-12-11
Straub, Gary P.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
423267, 423308, C01B 2532
Patent
active
044877498
ABSTRACT:
Dicalcium phosphate dihydrate compositions having improved monofluorophosphate compatibility are prepared by reacting a lime slurry with phosphoric acid to form a monocalcium phosphate solution, and then further reacting the monocalcium phosphate solution with additional lime slurry to a pH in the range of from above about 2.2 to below about 5.5.
REFERENCES:
patent: 2036760 (1936-04-01), Knox
patent: 3012852 (1961-12-01), Nelson
patent: 3294486 (1966-12-01), Cremer et al.
patent: 4312843 (1982-01-01), Monty et al.
Majewski Helmut W.
Sherif Fawzy G.
Via Francis A.
Flash Hensley M.
Langel Wayne A.
Stauffer Chemical Company
Straub Gary P.
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