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1、中華人民共和國國家標準GB××××-××××代替GB11898-89水質(zhì)游離氯和總氯的測定N,N-二乙基1,4-苯二胺分光光度法Waterquality-Determinationoffreechlorineandtotalchlorine-TitrimetricmethodusingN,N-diethyl-1,4-phenylenediamine（征求意見稿）200×-××-××發(fā)布200×-××-××實施國家質(zhì)量監(jiān)督檢驗檢疫總局發(fā)布環(huán)境保護部目次前言.......................
2、................................................................................................II1適用范圍..................................................................................................................12規(guī)范性引用文件..........................
3、............................................................................13術(shù)語和定義..............................................................................................................14方法原理.....................................................
4、.............................................................25試劑和材料..............................................................................................................26儀器和設(shè)備...................................................................
5、...........................................37干擾及消除..............................................................................................................48樣品........................................................................................
6、..................................49分析步驟..................................................................................................................510結(jié)果計算...........................................................................................
7、.....................511精密度和準確度....................................................................................................612質(zhì)量保證和質(zhì)量控制............................................................................................7附錄A(規(guī)范性附錄)一氯胺、二氯
8、胺和三氯化氮三種形式化合氯的分別測定.8附錄B（規(guī)范性附錄）水質(zhì)游離氯和總氯的測定N,N-二乙基-1,4-苯二胺現(xiàn)場測定法......................................................................................................................10I前言為貫徹《中華人民共和國環(huán)境保護法》和《中華人民共和國水污染防治法》，保護環(huán)境，保障人體健康，規(guī)范水中游離
