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呼吸尘埃中游离晶态α-石英的X射线衍射外标法测定
Determination of Crystalline α-Quartz in Respirable Dust090── An External Standard Method for XRD
【摘要】 本实验用X射线衍射外标法测定了极微量(0.1~5mg)呼吸尘埃中游离晶态α-SiO_2的含量。其精确度(相对偏差)小于10%,达到常规微量(5~10mg)样品的分析精确度。
【Abstract】 An external standard method for X-ray diffraction is described for free crystalline α-quartz determination in micro amounts (0.1~5mg) of respirable particulate. The relative errors are below 10%. The accuracy of the proposed method meets the requirement of routine micro-analyses.
【关键词】 游离晶态α-石英;
X射线衍射外标法;
相对误差;
【Key words】 Free crystalline α-quartz; External standard method for XRD; Relative error.;
【Key words】 Free crystalline α-quartz; External standard method for XRD; Relative error.;
- 【文献出处】 分析测试学报 ,JOURNAL OF INSTRUMENTAL ANALYSIS , 编辑部邮箱 ,1996年02期
- 【分类号】X513
- 【被引频次】5
- 【下载频次】104