GB/T 3148-1982
Replaced
GB/T 22904-2023
Active
National standards
GB/T 22904-2023 Paper,board and pulp—Determination of total chlorine and organically bound chlorine
GB/T 22904-2023 Paper,board and pulp—Determination of total chlorine and organically bound chlorine
Price:
$ 54
Basic Information
Standard Code:
GB/T 22904-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Paper making
ICS Name:
\nPulp
Publish Date:
2023-09-07
Implement Date:
2024-04-01
Pages:
12 pages
Scope
This document describes the methods of determining total chlorine and organic chlorine in paper, cardboard, and pulp using the microcoulometry method and the combustion bottle ion chromatography method. This document is applicable to various types of paper, cardboard, and pulp. The detection limit of the method specified in this document is 20 mg/kg.
Development Information
Replace the following standards
Referenced Standards
GB/T 450-2002 Paper and board—Sampling for testing
GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side
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
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
Adopt standards
ISO 11480:2017
Related Standards
GB/T 12659-1990
Replaced
GB/T 12659-1990 Pulps—Laboratory beating—Jokro mill method
GB/T 12660-1990
Replaced
GB/T 12660-1990 Pulps—Determination of drainability—"Canadian standard " freeness method
GB/T 13505-1992
Replaced
GB/T 13505-1992 Pure insulating pulp
GB/T 13506-1992
Replaced
GB/T 13506-1992 Bleached sulfite pulp
GB/T 13507-1992
Active