GB/T 7979-2020
Pulp—Determination of dichloromethane soluble matter

Standard No.

GB/T 7979-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 7979-2020

Replace

GB/T 7979-2005

Scope

This standard specifies the method for the determination of the content of dioxymethane extractives in pulp. This standard applies to all kinds of pulp except waste pulp. When the sample volume was 10 g, the detection limit of this method was 0.05 g.

GB/T 7979-2020 Referenced Document

• GB/T 462 Paper,board and pulp.Determination of moisture content of analytical sample
• GB/T 740 Pulps-Sampling for testing

GB/T 7979-2020 history

• 2020 GB/T 7979-2020 Pulp—Determination of dichloromethane soluble matter
• 2005 GB/T 7979-2005 Pulps--Determination of dichloromethane soluble matter
• 1987 GB/T 7979-1987 Pulps--Determination of dichloromethane soluble matter