GB/T 2007.2-1987: [GB 2007.2-1987] General rules for the sampling and sample preparation of minerals in bulk. Sample preparation by manual method

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Scope

This General Rules applies to the preparation of samples taken according to
the method specified in GB 2007.1.
The prepared sample shall be representative of the quality characteristics of
the original sample and suitable for analysis or test requirements.
This method describes the preparation of the following samples:
a. Moisture sample: particle size - 22.4 mm, 5 kg; - 10 mm, 2.5 kg.
b. Component analysis sample: maximum particle size 180 μm (80 mesh)
250 g;
c. Particle size sample: the sample is naturally air dried to make a particle
size sample.

Basic Data

Standard ID	GB/T 2007.2-1987 (GB/T2007.2-1987)
Description (Translated English)	[GB 2007.2-1987] General rules for the sampling and sample preparation of minerals in bulk. Sample preparation by manual method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D04
Classification of International Standard	73.01
Word Count Estimation	10,159
Date of Issue	12/19/1987
Date of Implementation	10/1/1988
Older Standard (superseded by this standard)	GB 2007-1980
Quoted Standard	GB 2007.1; GB 2007.3; GB 2007.4; GB 2007.5; GB 2007.6; GB 2007.7,
Issuing agency(ies)	National Bureau of Standards
Summary	This standard applies to the preparation method according to GB 2007. 1 provisions in the samples taken. Sample preparation should be representative of the original sample quality characteristics, and is suitable for analysis or test requirements.