GB/T 1997-1989Coke-sampling and preparation of samples (English PDF)
焦炭试样的采取和制备
GB/T 1997 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 1997-2008 | Coke - Sampling and preparation of samples | Valid |
| GB/T 1997-1989 | Coke-sampling and preparation of samples | Obsolete |
GB/T 1997-1989 is obsolete. It has been replaced by GB/T 1997-2008. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
March 31, 1989
Implementation date
January 1, 1990
Scope
GB/T 1997-1989 is the English-translated version of 焦炭试样的采取和制备.
GB/T 1997-1989 is the Chinese national standard "Coke-sampling and preparation of samples". It was issued on March 31, 1989 by the State Bureau of Technical Supervision, and took effect on January 1, 1990. It is obsolete: it has been replaced by GB/T 1997-2008.
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Document preview — GB/T 1997-1989
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1989-03-31.
Date of implementation: 1990-01-01.
Status: obsolete, replaced by GB/T 1997-2008.
......
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 32158-2025Coal-based needle coke
- GB/T 24203-2024Method for determination of bulk density, true density, true porosity and open porosity of carbon materials
- GB/T 39769-2021Determination of forms of sulfur in coke
- GB/T 40549-2021Determination of bulk density of coke in a small container
- GB/T 37588-2019Carbon materials—Determination of nitrogen content—Dumas combustion method
- GB/T 24521-2018Method for the determination of specific resistance of carbon raw materials and coke
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