GB/T 7979-2020 Active National standards

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

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

Publish Date: 2020-07-21 Implement Date: 2021-02-01 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 7979-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Paper making

ICS Name: \nPulp

Publish Date: 2020-07-21

Implement Date: 2021-02-01

Pages: 5 pages

Scope

This standard specifies the method for determining the content of methylene chloride extracts in pulp. This standard is applicable to all types of pulp except waste pulp. When the sample quantity is 10 g, the detection limit of this method is 0.05%.

Development Information

Word Count: 8 Thousand words Pages: 5 pages

Replace the following standards

GB/T 7979-2005 Pulps—Determination of dichloromethane soluble matter

Referenced Standards

GB/T 462-2003 Paper and board—Determination of moisture content GB/T 462-2008 Paper,board and pulp—Determination of moisture content of analytical sample GB/T 462-2023 Paper, board and pulps—Determination of moisture content of analytical sample GB/T 740-2003 Pulps—Sampling for testing

Related Standards

GB/T 3148-1982 Replaced

GB/T 3148-1982 Bleached sulphite reedpulp

Publish Date: 1982-07-23

GB/T 12659-1990 Replaced

GB/T 12659-1990 Pulps—Laboratory beating—Jokro mill method

Publish Date: 1990-12-28

GB/T 12660-1990 Replaced

GB/T 12660-1990 Pulps—Determination of drainability—"Canadian standard " freeness method

Publish Date: 1990-12-28

GB/T 13505-1992 Replaced

GB/T 13505-1992 Pure insulating pulp

Publish Date: 1992-06-12

GB/T 13506-1992 Replaced

GB/T 13506-1992 Bleached sulfite pulp

Publish Date: 1992-06-12

GB/T 13507-1992 Active

GB/T 13507-1992 Unbleached sulfite pulp

Publish Date: 1992-06-12