GB/T 7702.20-2008 Active National standards

GB/T 7702.20-2008 Test method for granular activated carbon from coal—Determination of pore volume and specific surface area

GB/T 7702.20-2008 Test method for granular activated carbon from coal—Determination of pore volume and specific surface area

Publish Date: 2008-11-20 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 7702.20-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Coal used for coking, chemical industry, and building materials

ICS Name: Solid fuel

Publish Date: 2008-11-20

Implement Date: 2009-05-01

Pages: 10 pages

Scope

This section specifies the principles of determining the pore volume and specific surface area of coal-based granular activated carbon, the measurement steps, and the calculation of the results, etc.
This section is applicable to the determination of the pore volume and specific surface area of coal-based granular activated carbon, and is also applicable to the determination of the pore volume and specific surface area of other activated carbons.

Development Information

Word Count: 17 Thousand words Pages: 10 pages

Same series standard

GB/T 7702.3-2008 Test method for granular activated carbon from coal—Determination of hardness GB/T 7702.6-2008 Test method for granular activated carbon from coal—Determination of methylene blue adsorption GB/T 7702.7-2008 Test method for granular activated carbon from coal—Determination of iodine number GB/T 7702.8-2008 Test method for granular activated carbon from coal—Determination of phenol adsorption GB/T 7702.9-2008 Test method for granular activated carbon from coal—Determination of ignition temperature GB/T 7702.10-2008 Test method for granular activated carbon from coal—Determination of service life against benzene and chloroethane vapors GB/T 7702.14-2008 Test method for granular activated carbon from coal—Determination of sulphur capacity GB/T 7702.15-2008 Test method for granular activated carbon from coal—Determination of ash content GB/T 7702.18-2008 Test method for granular activated carbon from coal—Determination of caramel adsorption GB/T 7702.19-2008 Test method for granular activated carbon from coal—Determination of carbon tetrachloride(CCl4)desorption

Replace the following standards

GB/T 7702.20-1997 Standard test method for granular activated carbon from coal—Determination of pore volume GB/T 7702.21-1997 Standard test method for granular activated carbon from coal—Determination of specific surface area

Referenced Standards

GB/T 678-2002 Chemical reagent—Ethanol GB/T 678-2023 Chemical reagent—Ethanol GB 1922-1980 Solvent naphthas GB 1922-2006 Petroleum solvents for paints and cleaning GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods HG/T 3471-2000 Chemical reagent Mercury

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