RO
STAS 99-91
Technical anhydrous sodium anhidre carbonate. (Soda ash).
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Status :
Valid
Approval date : 1/1/1991
Publish date : 11/1/1991
Number of pages : 14
ICS : 71.060.50 Salts
Technical Committee : 372 - Chemical products and analysis methods
- Replaces STAS 99-85
- Normative reference STAS 3160/2-84
- Normative reference STAS 87-89
- Normative reference STAS 1077-67