GB/T 19494.3-2004Mechanical sampling of coal - Part 3: Determination of precision and bias test (English PDF)
煤炭机械化采样 第3部分:精密度测定和偏倚试验
GB/T 19494.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 19494.3-2023 | [Including 2025XG1] Mechanical sampling of coal - Part 3: Determination of precision and bias test | Valid |
| GB/T 19494.3-2004 | Mechanical sampling of coal - Part 3: Determination of precision and bias test | Obsolete |
GB/T 19494.3-2004 is obsolete. It has been replaced by GB/T 19494.3-2023. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
April 30, 2004
Implementation date
October 1, 2004
Scope
GB/T 19494.3-2004 is the English-translated version of 煤炭机械化采样 第3部分:精密度测定和偏倚试验.
GB/T 19494.3-2004 is the Chinese national standard "Mechanical sampling of coal - Part 3: Determination of precision and bias test".
It was issued on April 30, 2004 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on October 1, 2004. It is obsolete: it has been replaced by GB/T 19494.3-2023.
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Document preview — GB/T 19494.3-2004
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2004-04-30.
Date of implementation: 2004-10-01.
Status: obsolete, replaced by GB/T 19494.3-2023.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 19494.1-2023Mechanical sampling of coal - Part 1: Method for sampling
- GB/T 19494.2-2023Mechanical sampling of coal - Part 2: Method for sample preparation
- GB/T 43219-2023Guidance to the inspection of mechanical sampling systems for moving stream of coal
- GB/T 40697-2021Specification for management of the third-party coal testing
- DL/T 2029-2019Determination of total moisture in coal by automatic instrumental method
- GB/T 18666-2014Method for quality sport check and acceptance of commercial coal
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Related Standards
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
GB/T 19494.1-2004 — Mechanical sampling of coal - Part 1: Method for sampling
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GB/T 19494.3-2004
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