BS ISO 18191:2026 PDF

Water quality. Determination of pHT in sea water. Method using the indicator dye m-cresol purple

Название (английский):

BS ISO 18191:2026

Water quality. Determination of pHT in sea water. Method using the indicator dye m-cresol purple

Статус документа:: Действующий
Формат:: Электронный (PDF)
Дата публикации:: 31 июля 2026 г.
ICS:: 13.060.50
SKU:: BS ISO 18191:2026

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Язык документа:

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Abstract

1 Scope This document specifies a spectrophotometric determination of the pH T of seawater on the total hydrogen ion concentration pH scale. The total hydrogen ion concentration, [H + ] T , is expressed as moles per kilogram of seawater. The method is suitable for assaying oceanic levels of pH T from 7,4 to 8,2 for normal seawater of practical salinity ranging from 20 to 40.

BS ISO 18191:2026 PDF

Abstract

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