GB/T 28369-2012 Ferroalloys.Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 28369-2012
Scope
This standard specifies the test methods for evaluating the quality fluctuation of ferroalloys in order to determine the parameters of random sampling and graded sampling described in the relevant standards. At the same time, it also stipulates the sampling accuracy of random sampling method and fractional sampling method for inspection.
GB/T 28369-2012 Referenced Document
GB/T 18249 Ferroalloys-Experimental methods for checking the bias of sampling and sample preparation