水质总氮的测定碱性过硫酸钾消解紫外分光光度法

《水质总氮的测定碱性过硫酸钾消解紫外分光光度法》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、附件六：中华人民共和国国家环境保护标准HJ□□□—201□代替GB11894-89水质总氮的测定碱性过硫酸钾消解紫外分光光度法Waterquality–Determinationoftotalnitrogen–Alkalinepotassiumpersulfatedigestion-UVspectrophotometricmethod（征求意见稿）201□-□□-□□发布201□-□□-□□实施环境保护部发布目次前言..................................................

2、..........................................................................................Ⅱ1适用范围.....................................................................................................................................12规范性引用文件......................

3、...................................................................................................13术语和定义.................................................................................................................................14方法原理...................

4、..................................................................................................................15干扰和消除.................................................................................................................................26试剂和材料...

5、..............................................................................................................................27仪器和设备...............................................................................................................................

6、..38样品.............................................................................................................................................39分析步骤...........................................................................................................

7、..........................310结果计算与表示.......................................................................................................................411精密度和准确度...............................................................................................

8、........................512质量保证和质量控制...............................................................................................................513注意事项..........................