UNE 55600:1978 SODIUM HYDROXIDE USED AS RAW MATERIAL FOR DETERGENT COMPOSITIONS. SAMPLING. PREPARATION OF THE MAIN SOLUTION FOR CARRYING OUT CERTAIN DETERMINATIONS
1978UNE 55600:1978 SODIUM HYDROXIDE USED AS RAW MATERIAL FOR DETERGENT COMPOSITIONS. SAMPLING. PREPARATION OF THE MAIN SOLUTION FOR CARRYING OUT CERTAIN DETERMINATIONS