Chemistry of inorganic compounds – Carbon or compound thereof – Oxygen containing
Patent
1976-12-23
1978-07-11
Peters, G. O.
Chemistry of inorganic compounds
Carbon or compound thereof
Oxygen containing
423165, 423431, 23304, C01F 1118
Patent
active
041002644
ABSTRACT:
A method of producing finely-divided phosphor grade calcium carbonate having a calcite crystalline structure and a very low sodium content. The calcium carbonate is produced from calcium chloride having a high sodium impurity content, such as calcium chloride which is a by-product of the Solvay process for producing soda ash.
REFERENCES:
patent: 3321269 (1967-05-01), Yasui et al.
"Chemical Abstracts," vol. 71, 1969 -- 23,290z.
"Chemical Abstracts," vol. 76, 1972 -- 7,426w.
Grasso Giuseppe
Heytmeijer Herman R.
Rusch Larry P.
Lombard R. S.
Peters G. O.
Westinghouse Electric Corp.
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