GB/T 24521-2009 Replaced National standards

GB/T 24521-2009 Method for the determination of specific resistance of coke

GB/T 24521-2009 Method for the determination of specific resistance of coke

Publish Date: 2009-10-30 Implement Date: 2010-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 24521-2009

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Coke

ICS Name: Solid fuel

Publish Date: 2009-10-30

Implement Date: 2010-05-01

Pages: 7 pages

Scope

This standard specifies the principles of measuring the electrical resistivity of coke, the instruments and equipment, the samples, the test procedures, and the calculation of the results.
This standard is applicable to the measurement of the electrical resistivity of coke, graphite, roasted coal, and calcined anthracite.

Development Information

Word Count: 11 Thousand words Pages: 7 pages

Superseded by the following standards

GB/T 24521-2018 Method for the determination of specific resistance of carbon raw materials and coke

Referenced Standards

GB/T 1997-1989 Coke—Sampling and preparation of samples GB/T 1997-2008 Coke—Sampling and preparation of samples GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

Related Standards

GB/T 1998-1980 abolished_transferred

GB/T 1998-1980 Sampling and preparation of samples of petroleum cokes

Publish Date: 1980-08-15

GB/T 4511.1-1984 Replaced

GB/T 4511.1-1984 Coke—Determination of show porosity

Publish Date: 1984-06-28

GB/T 4511.3-1984 Replaced

GB/T 4511.3-1984 Coke—Determination of apparent relative density and total porosity

Publish Date: 1984-06-28

GB/T 4511.4-1984 Replaced

GB/T 4511.4-1984 Coke—Determination of true relative density

Publish Date: 1984-06-28

GB/T 8729-1988 Replaced

GB/T 8729-1988 Foundry coke

Publish Date: 1988-02-22

GB/T 9977-1988 Replaced

GB/T 9977-1988 The terms of coking products

Publish Date: 1988-10-26