Method of synthesizing zincosilicate or stannosilicate or titano

Details Method of synthesizing zincosilicate or stannosilicate or titano Method of synthesizing zincosilicate or stannosilicate or titano

1980-10-16

1982-05-11

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

106288B, 106292, 106299, 252454, 252457, 25217425, 423326, 423332, C01B 3320, C01B 3332

Patent

active

043293280

ABSTRACT:
Sodium zinco/stanno/titano-silicate is synthesized by mixing a concentrated aqueous sodium zincate, stannate or titanate solution with a source of silica (e.g. powdered glass or sodium metasilicate solution) in the ratio 60 g sodium silicate to sodium zincate equivalent to 8.1 g zinc oxide, keeping the temperature at 40.degree. C. for 1/2 hour, diluting threefold with water of 20.degree. C., allowing a precipitate to form overnight, and filtering and drying the residue at 110.degree. C.
The resulting sodium zincosilicate may be used in its own right as a water softener or may be converted by cation exchange into any other desired zincosilicate.

REFERENCES:
patent: 1728732 (1929-09-01), Jaeger
patent: 3329481 (1967-07-01), Young
patent: 4071377 (1978-01-01), Schwuger et al.

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