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GB/T 17607-1998Chinese classification of in seam coals (English PDF)

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Issued by

State Quality and Technical Supervision

Level / Type

National · Recommended

Issue date

December 8, 1998

Implementation date

May 1, 1999

Scope

GB/T 17607-1998 (Chinese classification of in seam coals) is available as an English-translated PDF.

GB/T 17607-1998 — Chinese classification of in seam coals

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Document preview — GB/T 17607-1998

National Standard of the People's Republic of China

ICS: 73.04
Classification: D 04

Issued by: State Quality and Technical Supervision

What this standard covers1
Document data2

What this standard covers

This standard specifies the seams of coal by coal rank, maceral composition and content of mineral impurities in coal (represented by ash) classification system and naming presentation methods, quality and ease of humic coal reserves in exchange for resources in the international and domestic information and evaluated. This standard applies to the naming of humic coal classification. Not applicable SAPROPELIC, peat (M (1)> 75%), carbonaceous rocks (A (d)> 50%) and graphite (H (daf)

Document data

International classification (ICS): 73.04.

Chinese classification (CCS): D04.

Estimated length of the Chinese original: 11,194 words.

Adopted international standard: UN-ECE-1995, NEQ.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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