GB/T 2291-1980
Method for preparation of coal tar pitchs specimens (English Version)

Standard No.

GB/T 2291-1980

Language

Chinese, Available in English version

Release Date

1980

Published By

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

Status

Be replaced 2017-07

Replace By

GB/T 2291-2016

Latest

GB/T 2291-2016

Scope

This standard is applicable to the preparation of laboratory samples of low-temperature, medium-temperature and high-temperature coal tar pitch obtained by processing high-temperature coal tar.

GB/T 2291-1980 history

• 2016 GB/T 2291-2016 Method for preparation of coal tar pitch specimens
• 1980 GB/T 2291-1980 Method for preparation of coal tar pitchs specimens