GB/T 7702.20-2008
Test method for granular activated carbon from coal.Determination of pore volume and specific surface area (English Version)

Standard No.

GB/T 7702.20-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 7702.20-2008

Replace

GB/T 7702.21-1997 GB/T 7702.20-1997

Scope

This part specifies the pore volume and specific surface area of coal-based granular activated carbon, the measurement principle, measurement procedures and result calculation. This part applies to the determination of pore volume and specific surface area of coal-based granular activated carbon, and also applies to the determination of pore volume and specific surface area of other activated carbons.

GB/T 7702.20-2008 Referenced Document

• GB 1922 Petroleum solvents for paints and cleaning
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 678 Chemical reagent ethanol (absolute ethanol)*， 2023-08-06 Update
• HG/T 3471 Chemical reagent.Mercury

GB/T 7702.20-2008 history

• 2008 GB/T 7702.20-2008 Test method for granular activated carbon from coal.Determination of pore volume and specific surface area
• 1997 GB/T 7702.20-1997 Standard test method for granular activated carbon from coal--Determination of pore volume

GB/T 7702.20-2008 Test method for granular activated carbon from coal.Determination of pore volume and specific surface area has been changed from GB/T 7702.21-1997 Standard test method for granular activated carbon from coal--Determination of specific surface area.

GB/T 7702.20-2008 -All Parts