PREPARATION OF PENTACALCIUM ORTHOPERIODATE, Ca5(IO6) 2, USEFUL IN A SALT BLOCK AND FEEDS

摘要

1,241,464. Pentacalcium orthoperiodate. MORTON INTERNATIONAL Inc. 14 Aug., 1968 [28 Aug., 1967], No. 38953/68. Heading C1A. Pentacalcium orthoperiodate, Ca 5 (10 6 ) 2 , is prepared by mixing calcium iodate with calcium oxide or hydroxide in the molar ratio 0À08: 1 to 0.5:1 (Ca(IO 3 ) 2 : CaO or Ca(OH) 2 ), heating at 425-560‹ C., and cooling. The product may be washed with dilute acid until the washings have a pH of 7, and dried to give a product of at least 90% purity.