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ISO 9963-1:1994 Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity
standard by International Organization for Standardization, 11/01/1994
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Specifies a method for the titrimetric determination of alkalinity. Intended for the analysis of natural and treated water, and waste water, and can be used directly for waters having an alkalinity concentration of up to 20 mmol/l. For samples containing higher concentrations of alkalinity, a smaller test portion can be used for analysis. The recommended lower limit is 0,4 mmol/l.