【摘要】 对中国实验室国家认可委员会(CNAL)编号为CNAL T0242的砂质土壤中Cu、Pb、Zn、Mo、V五组分测试结果进行统计,采用稳健统计法,根据Z比分数评判各实验室的测试结果。通过对CNAL T0242能力验证结果分析,客观反映参加实验室的测试能力和测试水平。更多还原

【Abstract】 Analytical data for elements of Cu,Pb,Zn,Mo and V in sandy soil samples in the Proficiency Testing(PT) Program(CNAL T0242) held by the China National Accreditation Committee for Laboratory(CNAL) were studied.The purpose of this PT is to evaluate the testing ability and technical levels of the geological laboratories in China.Robust Statistics,a convenient and international and regionally accepted statistical method and Z-scores are used for evaluating the testing results.The evaluation result reflects objectively the testing ability and technical levels of each geological laboratory.更多还原