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AS 3550.3-1992
$38.25
Waters, Part 3: Determination of alkalinity — Acidimetric titration method
Sets out a method for use where the alkalinity is in the range 1 mg/L at 2500 mg/L (expressed as CaCo(sub)3(/sub)) under the conditions of test.
Table of contents
Header
About this publication
PREFACE
FOREWORD
1 SCOPE
2 REFERENCED DOCUMENTS
3 PRINCIPLE
4 REACTIONS
5 REAGENTS AND MATERIALS
5.1 General requirements
5.2 Solutions
5.2.1 Nitric acid ( ϱ20 1.42 g/mL)
5.2.2 Sodium thiosulfate (approximately 0.1 mol/L)
5.2.3 Standard sodium carbonate solution (approximately 0.025 mol/L)
5.2.4 Standard hydrochloric acid (0.1 mol/L)
5.2.5 Standard hydrochloric acid (0.02 mol/L)
5.2.6 Phenolphthalein
5.2.7 Mixed indicator
6 APPARATUS
6.1 Glassware
6.2 Electrometric titrator
7 SAMPLING AND SAMPLES
7.1 General
7.2 Container
7.3 Sample storage
8 PROCEDURE
8.1 Potentiometric titration to preselected pH
8.1.1 Using potentiometric titration
8.1.2 Potentiometric titration of low alkalinity
8.2 Titration using indicators
9 CALCULATION AND EXPRESSION OF RESULTS
9.1 Calculation
9.2 Alkalinity relationships
9.3 Expression in other units
10 PRECISION
11 TEST REPORT
Cited references in this standard
Content history
[Superseded]
Please select a variation to view its description.
| Published | 16/04/1992 |
|---|---|
| Pages | 4 |
Please select a variation to view its pdf.
