HJ503-2009水质挥发酚的测定4-氨基安替比林分光光度法.pdf

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1、免费标准网(www.freebz.net)中华人民共和国国家环境保护标准HJ503-2009代替GB7490-87水质挥发酚的测定4-氨基安替比林分光光度法Waterquality—Determinationofvolatilephenoliccompounds—4-AAPspectrophotometricmethod（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。2009-10-20发布2009-12-01实施环境保护部发布免费标准网(www.freebz.net)无需注册即可下载免费标准网(

2、www.freebz.net)目次前言....................................................................II1适用范围..................................................................12规范性引用文件............................................................13术语和定义............................

3、....................................1方法1萃取分光光度法........................................................24方法原理..................................................................25干扰及消除................................................................26试剂和材料...........

4、.....................................................37仪器和设备................................................................48样品......................................................................49分析步骤............................................................

5、......510结果计算.................................................................611精密度和准确度...........................................................612质量保证和质量控制.......................................................7方法2直接分光光度法.......................................

6、.................713方法原理.................................................................714干扰及消除...............................................................715试剂和材料...............................................................716仪器和设备.........................

7、......................................717样品.....................................................................818分析步骤.................................................................819结果计算.................................................................820精密度和准

8、确度...........................................................921质量保证和质量控制.......................................................9附录A（规范性附录）酚贮备液的标定......