中华人民共和国国家环境保护标准HJ873-2017土壤水溶性氟化物和总氟化物的测定离子选择电极法Soil—Determination of water soluble fluoride and total fluoride—Ion selective electrode 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2017-11-28发布2018-01-01实施发布环 境 保 护 部目次前言.............................................................................................................................................ii1适用范围.........................................................................................................................................12规范性引用文件.............................................................................................................................13术语和定义.....................................................................................................................................14方法原理.........................................................................................................................................15干扰和消除.....................................................................................................................................26试剂和材料.....................................................................................................................................27仪器和设备.....................................................................................................................................28样品.................................................................................................................................................39分析步骤.........................................................................................................................................410结果计算与表示...........................................................................................................................511精密度和准确度...........................................................................................................................612质量保证和质量控制....................................