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DIN 38402-45-2003
German standard methods for the examination of water, waste water and sludge; general information (group A); Part 45: Interlaboratory comparisons for proficiency testing of laboratories (A45)
适用范围：This standard specifies requirements on carrying out interlaboratory trials for external quality control of laboratories. With respect to the purpose the standard differs from DIN 38402-41 and DIN 38402-42, which are used for quantitative statements about reliability of analytical methods. In this standard requirements are specified for the organizer of interlaboratory trials as well as on planning, carrying out and evaluation of interlaboratory trials for external quality control of laboratories.
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