BRITISH STANDARD SPECIFICATION FOR
SILICA GEL Acid Activated
FOR AIRCRAFT PURPOSES
1. Desoript ion.
2. State of division.
3. Moisture.
4. Drying effloienoy.
5. Drying oapaoity.
6. Sulphate oontent.
7. Paokaging.
8. Storage of sample.
BS M 22:1949 history
1949BS M 22:1949 Specification for silica gel acid activated for aircraft purposes