HJ674-2013水质肼和甲基肼的测定对二甲氨基苯甲醛分光光度法.pdf

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1、中华人民共和国国家环境保护标准HJ674-2013代替GB/T15507-1995,GB/T14375-1993水质肼和甲基肼的测定对二甲氨基苯甲醛分光光度法Waterquality—Determinationofhydrazineandmonomethylhydrazinebyp-Dimethylaminobenzaldehydespectrophotometricmethod（发布稿）本电子版为发布稿。请以中国环境科学出版社出版的正式标准文本为准。2013-11-21发布2014-02-01实施环

2、境保护部发布目录前言...................................................II第一部分肼的测定.............................................................................................11适用范围...................................................................................

3、...................12方法原理......................................................................................................13干扰和消除...................................................................................................14试剂和材料.............

4、......................................................................................15仪器和设备...................................................................................................26样品.........................................................

5、....................................................27分析步骤......................................................................................................28结果计算.......................................................................................

6、...............39精密度和准确度.............................................................................................410质量保证和控制.............................................................................................411废弃物处置.........................

7、..........................................................................4第二部分甲基肼的测定.......................................................................................41范围.............................................................................

8、................................42引用标准......................................................................................................53方法原理...................................................................................