GB/T 268-1987Petroleum products. Determination of carbon residue. Conradson method (English PDF)
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
July 3, 1987
Implementation date
May 1, 1988
Scope
GB/T 268-1987 (Petroleum products. Determination of carbon residue. Conradson method) is available as an English-translated PDF.
GB/T 268-1987 — This standard applies to the determination of the amount of carbon residue of petroleum products after evaporation and pyrolysis left to provide petroleum coke products relative tendency indicators.
This standard generally used easily in the atmospheric distillation partially decomposed, relatively less volatile petroleum products.
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Document preview — GB/T 268-1987
National Standard of the People's Republic of China
- ICS
- 75.08
- Classification
- E 30
- Replacing
- GB 263-1977; GB 268-1977
Issued by: National Bureau of Standards
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard applies to the determination of the amount of carbon residue of petroleum products after evaporation and pyrolysis left to provide petroleum coke products relative tendency indicators. This standard generally used easily in the atmospheric distillation partially decomposed, relatively less volatile petroleum products. Petroleum products containing raw ash components can (with GB 508 "Petroleum products - Determination of ash" determination) the amount of the size of the result will be high carbon residue value, the error depends on the ash has been generated.
Document data
International classification (ICS): 75.08.
Chinese classification (CCS): E30.
Estimated length of the Chinese original: 6,649 words.
Adopted international standard: ISO 6615-1983, NEQ.
Supersedes the earlier edition GB 263-1977; GB 268-1977.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.
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