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AS/NZS 1301.421S:1998

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Methods of test for pulp and paper Determination of the pH value of aqueous extracts of paper, board and pulp - Cold extraction method

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-01-2024

Superseded by

AS/NZS 1301.421:2008

Language(s)

English

Published date

05-06-1998

€24.96
Excluding VAT

1 - AS/NZS 1301.421s:1998 METHODS OF TEST FOR PULP AND PAPER - DETERMINATION OF THE pH VALUE OF AQUEOUS EXTRACTS OF PAPER, BOARD AND
4 - Contents
5 - Foreword
6 - Introduction
7 - 1 Scope
7 - 2 Normative references
7 - 3 Principle
7 - 4 Apparatus
7 - 4.1 Glassware of chemically resistant glass
7 - 4.2 pH meter
7 - 5 Reagents
7 - 5.1 Distilled or deionized water
7 - 5.2 pH standards
7 - pH 4.00 at 20 degrees C
8 - pH 6.87 at 20 degrees C
8 - pH 9.23 at 20 degrees C
8 - 6 Preparation of sample
8 - 7 Procedure
9 - 8 Expression of results
9 - 9 Report
10 - Annex A
10 - Bibliography

This standard sets a method to determine the pH of an aqueous extract of paper, board orpulp, which is obtained by using a cold extraction method.

Committee
PK-019
DocumentType
Standard
ISBN
0 7337 1901 5
Pages
4
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This standard sets a method to determine the pH of an aqueous extract of paper, board or pulp, which is obtained by using a cold extraction method.

Standards Relationship
ISO 6588:1981 Similar to

First published in Australia as AS P1.P421m-1964.
Revised and redesignated AS 1301.P421-1973.
Revised and redesignated AS 1301.421s-1991.
First published in New Zealand as NZS P1.P421ts:1957.
Revised and redesignated NZS P421m:1959.
Second edition 1964.
Revised and redesignated NZS/AS 1301.P421m:1973.
Revised and redesignated NZS/AS 1301.421s:1991.
Jointly revised and designated AS/NZS 1301.421s:1998.

AS 1301.417S-1992 Methods of test for pulp and paper - Sampling paper, board and pulp for testing

AS 4003-1996 Permanent paper

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