GB/T 19227-2008 Active National standards

GB/T 19227-2008 Determination of nitrogen in coal

GB/T 19227-2008 Determination of nitrogen in coal

Publish Date: 2008-07-29 Implement Date: 2009-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 19227-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Coal analysis methods

ICS Name: \nCoal

Publish Date: 2008-07-29

Implement Date: 2009-05-01

Pages: 16 pages

Scope

This standard specifies the principles, reagents and materials, instruments and equipment, experimental procedures, result calculation, and precision for the semi-micro Kjeldahl method and semi-micro steam method for determining nitrogen in coal, coke, and coal slurry. The Kjeldahl method is suitable for lignite, bituminous coal, anthracite, and coal slurry; the steam method is suitable for bituminous coal, anthracite, and coke.

Development Information

Word Count: 45 Thousand words Pages: 16 pages

Replace the following standards

GB/T 476-2001 Ultimate analysis of coal GB/T 19227-2003 Determination of nitrogen in coal and coke—semi-micro gasification method GB/T 18856.12-2002 Test methods for quality of coal water mixture—Part 12—Determination of nitrogen of coal water mixture

Referenced Standards

GB/T 212-2001 Proximate analysis of coal GB/T 212-2008 Proximate analysis of coal GB 474-1996 Preparation of coal sample GB/T 474-2008 Method for preparation of coal sample GB/T 483-1998 General rules for analytical and testing methods of coal GB/T 483-2007 General rules for analytical and testing methods of coal

Adopt standards

ISO 333:1996 ISO/TS 11725:2002

Related Standards

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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

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GB/T 15223-1994 Replaced

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GB/T 15224.2-1994 Replaced

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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