文档介绍：中华人民共和国国家环境保护标准 HJ 483—2009 代替 GB 8970-88 环境空气二氧化硫的测定四氯汞盐吸收-副玫瑰苯胺分光光度法 Ambient air-Determination of sulfur dioxide in ambient air-Tetrachloromercurate(TCM)-pararosaniline method (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。 200 9 - 09 - 27 发布 200 9 - 11 - 01 实施环境保护部发布 I 目次前言............................................................................................................................... .......................II 1 适用范围............................................................................................................................... ............... 3 2 方法原理............................................................................................................................... ............... 3 3 干扰和消除............................................................................................................................... ............. 3 4 试剂和材料............................................................................................................................... ........... 3 5 仪器和设备............................................................................................................................... ............. 5 6 样品............................................................................................................................... ......................... 6 7 分析步骤..........................