GB/T 7702.7-2023 Active National standards

GB/T 7702.7-2023 Test method for granular activated carbon from coal—Part 7:Determination of iodine number

GB/T 7702.7-2023 Test method for granular activated carbon from coal—Part 7:Determination of iodine number

Publish Date: 2023-05-23 Implement Date: 2023-05-23 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 7702.7-2023

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: 2023-05-23

Implement Date: 2023-05-23

Pages: 8 pages

Scope

This document describes the method for determining the iodine adsorption value of coal-based granular activated carbon, including the principle, reagents and materials, instruments and equipment, sample preparation, determination steps, determination data processing, precision, and test reports.
This document is applicable to the determination of the iodine adsorption value of coal-based granular activated carbon, and it is also applicable to the determination of the iodine adsorption value of activated carbon in other forms.

Development Information

Word Count: 18 Thousand words Pages: 8 pages

Replace the following standards

GB/T 7702.7-2008 Test method for granular activated carbon from coal—Determination of iodine number

Referenced Standards

GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 622-1989 Chemical reagent—Hydrochloric acid GB/T 622-2006 Chemical reagent—Hydrochloric acid GB/T 675-1993 Chemical reagent—Iodine GB/T 675-2011 Chemical reagent—Iodine GB/T 1272-1988 Chemical reagent—Potassium iodide GB/T 1272-2007 Chemical reagent—Potassium iodide GB/T 1914-1993 Chemical analytical filter paper GB/T 1914-2007 Chemical analytical filter paper GB/T 1914-2017 Chemical analytical filter paper 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

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