Published
Applies to the determination of low concentrations of bismuth active substances. The method is suitable for influents and effluents of sewage treatment plants and waste water. When investigating surface waters it may be necessary to handle large sample volumes.
PUBLISHED
ISO 7875-2:1984
90.93
Standard confirmed
Apr 4, 2023
Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagent
60.60 Standard published