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AS 3550.3-1992

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Waters Determination of alkalinity - Acidimetric titration method
Available format(s)

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

Withdrawn date

09-08-2022

Language(s)

English

Published date

04-16-1992

Publisher

Standards Australia

1 - AS 3550.3-1992 WATERS - DETERMINATION OF ALKALINITY-ACIDIMETRIC TITRATION METHOD
4 - PREFACE
4 - CONTENTS
4 - FOREWORD
5 - 1 SCOPE
5 - 2 REFERENCED DOCUMENTS
5 - 3 PRINCIPLE
5 - 4 REACTIONS
5 - 5 REAGENTS AND MATERIALS
5 - 5.1 General requirements
5 - 5.2 Solutions
5 - 5.2.1 Nitric acid
5 - 5.2.2 Sodium thiosulfate
5 - 5.2.3 Standard sodium carbonate solution
5 - 5.2.4 Standard hydrochloric acid
6 - 5.2.5 Standard hydrochloric acid
6 - 5.2.6 Phenolphthalein
6 - 5.2.7 Mixed indicator
6 - 6 APPARATUS
6 - 6.1 Glassware
6 - 6.2 Electrometric titrator
6 - 7 SAMPLING AND SAMPLES
6 - 7.1 General
6 - 7.2 Container
6 - 7.3 Sample storage
6 - 8 PROCEDURE
6 - 8.1 Potentiometric titration to preselected pH
6 - 8.1.1 Using potentiometric titration
6 - 8.1.2 Potentiometric titration of low alkalinity
6 - 8.2 Titration using indicators
7 - 9 CALCULATION AND EXPRESSION OF RESULTS
7 - 9.1 Calculation
7 - 9.2 Alkalinity relationships
8 - 9.3 Expression in other units
8 - 10 PRECISION
8 - 11 TEST REPORT

Sets out a method for use where the alkalinity is in the range 1mg/L at 2500mg/L (expressed as CaCo(sub)3(/sub)) under the conditions of test.

This Standard sets out a titrimetric method for the determination of alkalinity in waters. This method is applicable to waters where the alkalinity is in the range 1 mg/L to 2500 mg/L (expressed as CaCO3) under the conditions of test.NOTE: The method is subject to interference from soaps, oily matter, suspended solids or precipitates which may coat the glass electrode of the pH meter and cause a sluggish response. These interfering substances may also cause difficulty in detecting the indicator end-point.

Committee
EV-008
DocumentType
Standard
ISBN
0 7262 7363 5
Pages
4
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

First published as AS 2449-1981.Revised and redesignated AS 3550.3-1992. First published as AS 2449-1981. Revised and redesignated AS 3550.3-1992.

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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