GB/T 8943.1-2008 (English Version) PDF

Standard No.: GB/T 8943.1-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 8943.1-2008
Replace: GB/T 8943.1-1988

Scope: warn! In the method specified in this part of GB/T 8943, it is necessary to use certain dangerous chemicals and gases that can form explosive mixtures with air, so care must be taken to ensure compliance with relevant safety precautions. This part of GB/T 8943 specifies two methods, namely diethyldithiocarbamate sodium spectrophotometry (method A) and flame atomic absorption spectrophotometry (method B), for the determination of copper in pulp, paper and paperboard The content of the flame atomic absorption spectrophotometry (method B) shall be used for the arbitration. This section applies to the determination of copper content in various pulp, paper and paperboard.

GB/T 8943.1-2008 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 462 Determination of moisture content of analytical samples of paper, paperboard and pulp*， 2023-09-07 Update
GB/T 740 Pulps-Sampling for testing
GB/T 741 Pulps--Determination of moisture content
GB/T 742 Fibrous raw material, pulp, paper and board—Determination of residue(ash) on ignition at 575℃ and 900℃*， 2018-12-28 Update