Standard No.:	GB/T 33689-2017
Chinese Name:	选煤试验方法一般规定
English Name:	General rules for testing methods of coal preparation
Professional Classification:	D27 Coal dressing
ICS Classification:	73.040
Issued by:
Issued on:	2017-05-12
Implemented on:	2017-12-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	180 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the relevant terms and definitions, symbols, test coal samples, dense preparation, expression of results, test records and test reports for the testing methods of coal preparation.

This standard is applicable to various standards, specifications, reports, books, textbooks and manuals concerning the testing methods of coal preparation.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 474 Method for Preparation of Coal Sample
GB/T 475 Method for Manual Sampling of Commercial Coal
GB/T 483 General Rules for Analytical and Testing Methods of Coal
GB/T 3715-2007 Terms Relating to Properties and Analysis of Coal
GB/T 7186-2008 Terms Relating to Coal Preparation
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 19494.1 Mechanical Sampling of Coal—Part 1:Method for Sampling
GB/T 19494.2 Mechanical Sampling of Coal—Part 2:Method for Sample Preparation

3 Terms and Definitions

For the purpose of this standard, the terms and definitions specified in GB/T 3715-2007 and GB/T 7186-2008 as well as the following ones apply. For the convenience of application, some terms and definitions in GB/T 3715-2007 and GB/T 7186-2008 are listed again.

3.1
coal sample
representative portion of coal taken from coal to determine certain characteristics
[GB/T 3715-2007, Definition 3.1.1]