T-CAOE 43—2021 海洋沉积物环境地球化学测试规程

（草稿） 2021-12-28发布 2021-12-28实施中国海洋工程咨询协会发布 ICS07.060 CCS A 45 团体标准 T/CAOE 43-2021 海洋沉积物环境地球化学测试规程 Test code of practice for environmental geochemistry of marine sediments 全国团体标准信息平台 T/CAOE 43 -2021 II 目次目次 ................................ ................................ ................................ ................................ ................................ ................... II 前言 ................................ ................................ ................................ ................................ ................................ ................ V 引言 ................................ ................................ ................................ ................................ ................................ ............... VI 1 范围 ................................ ................................ ................................ ................................ ................................ .................. 7 2 规范性引用文件 ................................ ................................ ................................ ................................ ............................. 7 3 术语和定义 ................................ ................................ ................................ ................................ ................................ ...... 7 4 通用要求 ................................ ................................ ................................ ................................ ................................ .......... 7 4.1 测定方法 ................................ ................................ ................................ ................................ ................................ .................... 7 4.2 样品采集、保存及运输 ................................ ................................ ................................ ................................ ......................... 8 4.3 分析样品制备 ................................ ................................ ................................ ................................ ................................ ........... 8 4.4 实验数据处理与质量控制 ................................ ................................ ................................ ................................ .................... 9 4.5 记录 ................................ ................................ ................................ ................................ ................................ .............................. 9 5 58种组分的测定方法 ................................ ................................ ................................ ................................ .................... 9 5.1 常量、微量组分的测定 ——电感耦合等离子体发射光谱法 ................................ ................................ ................... 9 5.2 微量、稀土元素的测定 ——电感耦合等离子体质谱法 ................................ ................................ ........................... 11 5.3 砷、锑、铋、汞的测定 ——原子荧光光谱法 ................................ ................................ ................................ ............. 13 5.4 二氧化硅和其他常量组分的测定 ——熔融制样 -波长色散 X射线荧光光谱法 ................................ ............... 15 5.5 碳、氮的测定 ——元素分析仪法 ................................ ................................ ................................ ................................ .... 17 6 铅同位素比值的测定 ——多接收电感耦合等离子体质谱法 ................................ ................................ ................ 19 6.1 方法原理 ................................ ................................ ................................ ................................ ................................ .................. 19 6.2 试剂及材料 ................................ ................................ ................................ ................................ ................................ .............. 20 6.3 仪器设备 ................................