蒸馏酒中铅和锰的能力验证及分析方法

Proficiency Testing of Lead and Manganese in Distilled Spirits&Analytic Methods

评价参与实验室能力验证蒸馏酒中铅和锰测定能力。以蒸馏酒为样品,依据ISO 13528:2005和中国合格评定国家认可委员会(CNAS)规定的程序进行本次能力验证。采用Z值分数评价各参加实验室的测试结果。参加蒸馏酒中铅和锰能力验证的17家实验室中,A样品中铅和锰检测有2家结果“不满意”,2家结果“可疑”,B样品中铅和锰检测16家结果“不满意”,1家结果“可疑”。

To evaluate the capacity of the laboratories which participated in the proficiency testing for lead and manganese determination in distilled spirits.The study was performed according to ISO 13528:2005 and procedure of China National Accreditation Service for Conformity Assessment(CNAS).Z-scores were used to evaluate results from each laboratory with the median of all results as the indicated value.Of the 17 laboratories that participated in the verification of lead and manganese in distilled spirits,2 unsatisfactory with lead and manganese in A samples,2 suspectable,and 16 laboratories had satisfactory results for lead and manganese in B samples,1 suspectable.