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UNI ISO 6588-2 : 2013

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PAPER, BOARD AND PULPS - DETERMINATION OF PH OF AQUEOUS EXTRACTS - PART 2: HOT EXTRACTION
Superseded date

08-06-2020

Published date

01-01-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus and equipment
6 Sampling and preparation of sample
7 Procedure
8 Calculation
9 Test report
Annex A (informative) - Preparation of some standard
        buffer solutions
Annex B (informative) - Precision
Bibliography

Describes a method for the determination of the pH-value defined by the electrolytes extractable by hot water from a sample of paper, board or pulp.

DevelopmentNote
Supersedes UNI 10177. (05/2008)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 6588-2:2012 Identical

ISO 6588-1:2012 Paper, board and pulps Determination of pH of aqueous extracts Part 1: Cold extraction
IEC 60554-2:2001 Cellulosic papers for electrical purposes - Part 2: Methods of test
ISO/TR 24498:2006 Paper, board and pulps Estimation of uncertainty for test methods
ISO 186:2002 Paper and board — Sampling to determine average quality
ISO 29681:2009 Paper, board and pulps Determination of pH of salted water extracts
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 7213:1981 Pulps Sampling for testing

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