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GB/T 2007.4-2008 English PDF (GBT2007.4-2008)

GB/T 2007.4-2008 English PDF (GBT2007.4-2008)

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GB/T 2007.4-2008: General rules for the sampling and sample preparation of minerals in bulk -- Experimental methods for checking the precision and bias
This part specifies the terms and test methods for bias and precision checking. This part is applicable to the checking of the precision of the sampling and sample preparation methods listed in GB/T 2007.1 and GB/T 2007.2, as well as the bias checking test of sampling methods and sampling devices that need to be checked. It can also be used for checking the bias of the sample preparation method and reduction device.

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