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    • Home
    • ICS
    • Environment. Health Protection. Safety
    • Water Quality
    • Examination Of Water For Chemical Substances
    • ISO 10260:1992

    Codes & Standards - Purchase

    ISO 10260:1992

    Water quality -- Measurement of biochemical parameters -- Spectrometric determination of the chlorophyll-a concentration
    SKU: iso_018300_108513 Published by ISO Publication Year 1992 1 Edition 6 pages

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    The procedure specified can be applied for phytoplankton in natural surface waters and for testing algal growth in bio-assays. Using appropriate sampling it can also be applied to phytobenthic communities. The principle is collection of algae by filtration, extraction of algal pigments, spectrometric determination of the chlorophyll-a concentration in the extract, evaluation of the chlorophyll-a and phaeopigment concentration from the difference of absorbance at 665 nm prior to and after acidification of the extract.

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