GB/T 7977-2007
Paper,board and pulps.Determination of conductivity of aqueous extracts (English Version)

Standard No.

GB/T 7977-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

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

Latest

GB/T 7977-2007

Replace

GB/T 7977-1987 GB/T 7976-1987

Scope

This standard specifies the determination method of electrical conductivity of paper, cardboard and pulp water extract. This standard applies to all kinds of paper, paperboard and pulp including insulating paper and paperboard for electrical purposes.

GB/T 7977-2007 Referenced Document

• GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side*， 2008-08-19 Update
• GB/T 740 Pulps-Sampling for testing
• GB/T 741 Pulps--Determination of moisture content

GB/T 7977-2007 history

• 2007 GB/T 7977-2007 Paper,board and pulps.Determination of conductivity of aqueous extracts
• 1987 GB/T 7977-1987 Paper board and pulps--Determination of the electrical conductivity for the water extract

GB/T 7977-2007 Paper,board and pulps.Determination of conductivity of aqueous extracts has been changed from GB/T 7976-1987 Insulating paper and board--Determination of the electrical conductivity for the water extract.