AS/NZS 1301.421s:1998
Methods of test for pulp and paper - Determination of the pH value of aqueous extracts of paper, board and pulp - Cold extraction method
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AS/NZS 1301.421s:1998 METHODS OF TEST FOR PULP AND PAPER - DETERMINATION OF THE pH VALUE OF AQUEOUS EXTRACTS OF PAPER, BOARD AND
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
4.1 Glassware of chemically resistant glass
4.2 pH meter
5 Reagents
5.1 Distilled or deionized water
5.2 pH standards
pH 4.00 at 20 degrees C
pH 6.87 at 20 degrees C
pH 9.23 at 20 degrees C
6 Preparation of sample
7 Procedure
8 Expression of results
9 Report
Annex A
Bibliography
Previous versions
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AS/NZS 1301.421s:1998 METHODS OF TEST FOR PULP AND PAPER - DETERMINATION OF THE pH VALUE OF AQUEOUS EXTRACTS OF PAPER, BOARD AND
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
4.1 Glassware of chemically resistant glass
4.2 pH meter
5 Reagents
5.1 Distilled or deionized water
5.2 pH standards
pH 4.00 at 20 degrees C
pH 6.87 at 20 degrees C
pH 9.23 at 20 degrees C
6 Preparation of sample
7 Procedure
8 Expression of results
9 Report
Annex A
Bibliography
Previous versions
AS/NZS 1301.421s:1998
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.