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4.4化学对照物质的评价和定值4.4.1化学对照物质的评价备选物质经过分析检测对其质量进行全面评价后才可以做出是否可作为化学对照物质的判断。无论国际化学对照物质还是国家化学对照物质,经用多种分析方法检验后将全部数据写出分析报告,由标准物质分发机构对被分析物质做出评价,确保该化学对照物质能够适合其预期使用目的。对于国际化学对照物质,WHO国际化学对照物质中心将所测数据与提供该对照物质的生产单位及其他协作实验室的分析数据,一并交
4.4 Evaluation and setting of chemical reference materials 4.4.1 Evaluation of chemical reference substances The quality of an alternative material that has been subjected to an analytical evaluation can not be judged as to whether it can be used as a chemical control substance. Whether international chemical control substances or national chemical control substances, after a variety of analytical methods to test all the data written analysis report by the standard substance distribution agencies to be evaluated on the analyte to ensure that the chemical control substance can be used for its intended use purpose. For international chemical control substances, the WHO International Chemical Control Substance Center will submit the measured data together with the analytical data of the production units and other collaborating laboratories providing the reference substance