P-S-651 Revision E:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SODIUM ORTHOSILICATE, TECHNICAL
31-12-1991
Covers technical grade sodium orthosilicate which is an intimate mixture of caustic soda and sodium metasilicate.
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