中华人民共和国国家环境保护标准HJ 832-2017土壤和沉积物金属元素总量的消解微波消解法Soil and sediment - Digestion of total metal elements - Microwave assisted acid digestion method （发布稿）本电子版为发布稿请以中国环境出版社出版的正式标准文本为准2017-07-18发布2017-09-01实施 环 境保 护部发 布 目次前言...............................................................................................................................................ii1 适用范围...................................................................................................................................12 规范性引用文件.......................................................................................................................13 方法原理...................................................................................................................................14 试剂和材料...............................................................................................................................15 仪器和设备...............................................................................................................................16 样品...........................................................................................................................................27 样品的消解...............................................................................................................................28 精密度和准确度.......................................................................................................................39 质量保证和质量控制...............................................................................................................310注意事项...................................................................................................................................3附录 A （资料性附录） 方法的精密度和准确度.......................................................................4i前言为贯彻《中华人民共和国环境保护法》保护环境保障人体健康规范土壤和沉积物中金属元素的消解方法制定本标准本标