GB/T 2293-1997
Solid products of coal carbonization--Determination of quinoline-insoluble (English Version)

Standard No.

GB/T 2293-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

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

Status

Be replaced 2008-11

Replace By

GB/T 2293-2008

Latest

GB/T 2293-2019

Scope

This standard specifies the principle, instruments and reagents, test procedures, test results and precision of the test method for coal tar pitch and modified pitch quinine insoluble matter of coking solid products. This standard applies to the determination of quinoline-insoluble content of coking solid products such as coal tar pitch and modified pitch.

GB/T 2293-1997 history

• 2019 GB/T 2293-2019 The method of quinoline-insolube for pitch products of coal carbonization
• 2008 GB/T 2293-2008 Pitch products of coal carbonization.Determination of quinaline-insoluble
• 1997 GB/T 2293-1997 Solid products of coal carbonization--Determination of quinoline-insoluble