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ISO 7875-1:1996 pdf download – Water quality -Determination of surfactantsPart 1: Determination of anionic surfactants by measurement of themethylene blue index (MBAS)

ISO 7875-1:1996 pdf download – Water quality -Determination of surfactantsPart 1: Determination of anionic surfactants by measurement of themethylene blue index (MBAS). This solution is stable (or at least 2 weeks. The absorbance of the chloroform phase of the blank...
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