GB/T 19494.3-2023 Active National standards

GB/T 19494.3-2023 Mechanical sampling of coal—Part 3:Determination of precision and bias test

GB/T 19494.3-2023 Mechanical sampling of coal—Part 3:Determination of precision and bias test

Publish Date: 2023-11-27 Implement Date: 2024-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 19494.3-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Coal analysis methods

ICS Name: \nCoal

Publish Date: 2023-11-27

Implement Date: 2024-03-01

Pages: 52 pages

Scope

This document specifies the precision measurement of coal mechanized sampling, sample preparation, and testing, as well as the method of bias testing. This document is applicable to the precision measurement and bias testing of coal mechanized sampling.

Development Information

Word Count: 76 Thousand words Pages: 52 pages

Same series standard

GB/T 19494.1-2023 Mechanical sampling of coal—Part 1:Method for sampling GB/T 19494.2-2023 Mechanical sampling of coal—Part 2:Method for sample preparation

Replace the following standards

GB/T 19494.3-2004 Mechanical sampling of coal—Part 3:Determination of precision and bias test

Referenced Standards

GB/T 19494.1-2004 Mechanical sampling of coal—Part 1:Method for sampling GB/T 19494.1-2023 Mechanical sampling of coal—Part 1:Method for sampling GB/T 19494.2-2004 Mechanical sampling of coal—Part 2:Method for sample preparation GB/T 19494.2-2023 Mechanical sampling of coal—Part 2:Method for sample preparation

Adopt standards

ISO 13909-7:2016 ISO 13909-8:2016

Related Standards

GB 5751-1986 Replaced

GB 5751-1986 Classification of Chinese coals

Publish Date: 1986-01-09

GB 481-1993 abolished_transferred

GB 481-1993 Sampling method of coal sample for production

Publish Date: 1993-02-19

GB/T 15223-1994 Replaced

GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method

Publish Date: 1994-09-24

GB/T 15224.1-1994 Replaced

GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal

Publish Date: 1994-09-24

GB/T 15224.2-1994 Replaced

GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal

Publish Date: 1994-09-24

GB/T 15224.3-1994 Replaced

GB/T 15224.3-1994 Classification for quality of coal—Classification for calorific value of coal

Publish Date: 1994-09-24