ONORM M 6255-1986 水質(zhì)分析.游離氯及氯總量的測定.利用 N、N-二乙基-1、4-一苯二胺的滴定法
Water analysis; determination of free chlorine and total chlorine; titrimetric method using N,N-diethyl-1,4-phenylene-diamine Water analysis; dosage of free chlorine and total chlorine; titrimmetric method for N,N-diethyl-phenylene-1,4-diamine