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ISO 18191:2015

ISO 18191:2015 Water quality – Determination of pHt in sea water – Method using the indicator dye m-cresol purple

CDN $130.00

SKU: 8865cb57b943 Categories: ,

Description

ISO 18191:2015 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.

Edition

1

Published Date

2015-09-01

Status

PUBLISHED

Pages

11

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

ISO 18191:2015 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.

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