GB/T 2007.2-1987
General rules for the sampling and sample preparation of minerals in bulk--Manual method of sample preparation (English Version)

Standard No.: GB/T 2007.2-1987
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
Latest: GB/T 2007.2-1987
Replace: GB 2007-1980

Scope: This general rule applies to the preparation of samples taken according to the method specified in GB2007.1. The prepared sample should be able to represent the quality characteristics of the original sample and be suitable for analysis or test requirements. This method describes the preparation method of the following samples: a. Moisture sample: particle size -22.4mm, 5kg; -10mm, 2.5kg; b. Composition analysis sample: maximum particle size 180μm (80 mesh) 250g; Air-dried to make particle size samples.

GB/T 2007.2-1987 history

1987 GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method
0000 GB 2007-1980