地壳全元素配套分析方案及分析质量监控系统  

Analytical scheme and quality monitoring system for China Geochemical Baselines

作　　者：张勤[1] 白金峰[1] 王烨[2] 

机构地区：[1]中国地质科学院地球物理地球化学勘查研究所,河北廊坊065000 [2]河南省岩石矿物测试中心,河南郑州450053

出　　处：《地学前缘》2012年第3期33-42,共10页Earth Science Frontiers

基　　金：国土资源部行业专项"深部探测技术与实验研究"第四项目"地壳全元素探测技术与实验示范"(SinoProbe-04)

摘　　要：依据有关的标准和规定要求,在76种元素地球化学填图配套分析方案及分析质量监控系统的基础上,建立了地壳岩石和土壤样品中81个指标(包含76个元素)的配套分析方案和分析质量监控系统。建立了新的岩石样品无污染加工流程,主量元素采用熔融制片-X射线荧光光谱法进行测定,并进行主量元素的加和控制,提升了主量元素的分析准确度和精密度,实现了对地壳全部元素的高准确度、高精度分析。According to the related specification and requirements,analytical scheme and quality monitoring system for the analysis of 76 elements and 81 analysis parameters of crust rock and soil samples from the program of China Geochemical Baselines was designed based on the analytical system developed for the 76 elements geochemical mapping.The sophisticated non-contamination sample preparation procedure for rock samples was established,analytical technique with good accuracy was employed for analyzing major elements.The accuracy and precision was improved for major elements.It has been successfully applied in the China Geochemical Probe Program.

关 键 词：地壳 全元素 配套分析方案 质量监控系统 

分 类 号：P595[天文地球—地球化学]