GB/T 11957-2001 Active National standards

GB/T 11957-2001 Determination of yield of humic acids in coal

Publish Date: 2001-11-12 Implement Date: 2002-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 11957-2001

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Coal analysis methods

ICS Name: \nCoal

Publish Date: 2001-11-12

Implement Date: 2002-08-01

Pages: 8 pages

Development Information

Word Count: 10 Thousand words Pages: 8 pages

Replace the following standards

GB 11957-1989

Referenced Standards

GB/T 212-2001 Proximate analysis of coal

Adopt standards

ISO 5073:1999

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