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BS ISO 18191:2015

Current
Current

The latest, up-to-date edition.

Water quality. Determination of pHt in sea water. Method using the indicator dye m-cresol purple
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-30-2015

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Terms and definitions
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Calculation and expression of results
Annex A (informative) - Performance data
Annex B (informative) - Storage stability
Bibliography

Defines a spectrophotometric determination of the pH[t] of sea water on the total hydrogen ion concentration pH scale using the indicator dye m-cresol purple.

This International Standard specifies a spectrophotometric determination of the pHt of sea water on the total hydrogen ion concentration pH scale using the indicator dye m-cresol purple. The total hydrogen ion concentration, [H+]t, is expressed as moles per kilogram of sea water. The method is suitable for assaying oceanic levels of pHt 7,4 to 8,2 for normal sea water of practical salinity ranging from 20 to 40.

Committee
EH/3/2
DevelopmentNote
Supersedes 14/30265651 DC. (09/2015)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 18191:2015 Identical

ISO 22719:2008 Water quality Determination of total alkalinity in sea water using high precision potentiometric titration
ISO 5667-1:2006 Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques
ISO 10523:2008 Water quality — Determination of pH

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Hardcopy - English
PDF - English
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