Process for the manufacture of trimagnesium phosphate octahydrat

Details Process for the manufacture of trimagnesium phosphate octahydrat Process for the manufacture of trimagnesium phosphate octahydrat

1982-12-30

1983-10-25

Meros, Edward J.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2526

Patent

active

044118767

ABSTRACT:
The invention is the production of crystalline tertiary magnesium phosphate octahydrate having uniform and perfect crystal shape. The process comprises adding a monomagnesium phosphate solution to a magnesium hydroxide slurry at a sufficient temperature and for a sufficient time to form the highly pure crystalline product within a specified pH range.

REFERENCES:
patent: 991096 (1911-05-01), Schrodter
patent: 2095994 (1937-10-01), MacIntire
patent: 3194632 (1965-07-01), Baniel et al.
Bhaunagary et al., "Preparation of Tricalcium Phosphate by Hydrolysis of Dicalcium Phosphate with Calcium Hydroxide", J. Appl. Chem. Biotechnol., (1977), 27, 393-398.
Chemical Abstracts, 81(12), 71959c.
Chemical Abstracts, 78(22) 138447t.

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