GB/T 2007.4-1987
Ceneral rules for the sampling and sample preparation of minerals in bulk--Experimental methods for checking the precision (English Version)
- Standard No.
- GB/T 2007.4-1987
- Language
- Chinese, Available in English version
- Release Date
- 1987
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2009-04
- Replace By
- GB/T 2007.4-2008
- Latest
- GB/T 2007.4-2008
- Scope
- This standard applies to the verification of the precision of sampling and sample preparation methods listed in GB2007.1 and GB2007.2.
GB/T 2007.4-1987 history
- 2008 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
- 1987 GB/T 2007.4-1987 Ceneral rules for the sampling and sample preparation of minerals in bulk--Experimental methods for checking the precision
GB/T 2007.4-1987 -All Parts
GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method
GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk--Manual method of sample preparation
GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for evaluation of quality variation
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
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
GB/T 2007.6-1987 General rules for the sampling and sample preparation of minerals in bulk--Determination of moisture content--Heat drying method
GB/T 2007.7-1987 General rules for the sampling and sample preparation of minerals in bulk--The method for determination of size by manual sieving