GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for checking the bias of sampling (English Version)
This standard is applicable to the systematic error check test of the sampling method and sampling device that need to be checked. It can also be used to check the sample preparation method and the reduction equipment.
GB/T 2007.5-1987 history
2008GB/T 2007.4-2008 General rules for the sampling and sample preparation of minerals in bulk-Experimental methods for checking the precision and bias
1987GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for checking the bias of sampling
GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for checking the bias of sampling was changed to 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.