This International Standard establis es a mercu-rimetric method for determining chlorides in sodium bicarbonate for industrial use. This method is applicable to products whose chloride content, expressed as NaCl, is greater than 0.001% (m/m).
NBN T 03-144-1979 history
1979NBN T 03-144-1979 Sodium hydrogen carbonate for industrial use - Determination of chloride content - Mercurimetric method