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2011年10月,湖北省疾病预防控制中心(CDC)组织全省疾控系统实验室开展化妆品中铅和砷含量检测能力的验证活动,通过下发盲样测定结果来验证省辖内疾病预防控制中心实验室在化妆品样品中理化项目的检测能力。实验室在这次能力验证的活动中,使用《化妆品卫生规范》中的砷检测方法(原方法)[1],对测试样品(盲样)进行多次测定,测定结果不理想,精密度均>5.0%,而且空白值较高,对实验
In October 2011, Hubei Provincial Center for Disease Control and Prevention (CDC) organized the provincial CDC Laboratory to carry out the verification activities of testing lead and arsenic in cosmetics, and issued the results of blind test to verify that the provincial disease prevention and control Center laboratory in cosmetic samples of physical and chemical project testing capabilities. Laboratory activities in this proficiency testing, the use of “Cosmetic Hygiene Code” arsenic detection method (the original method) [1], the test sample (blind sample) was determined several times, the measurement results are not satisfactory, the precision are > 5.0%, and the blank value is higher, on the experiment