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"Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of the water body [particulate >GF/F phase] by filtration, acetone extraction and trichromatic spectrophotometry following the Jeffrey and Humphrey protocol and summation of size-fractionated values"@en .
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"SDN:P01::CPHLSSP6" .
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"accepted"@en .
"JHSpec_Chl-a_>GFF" .
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"Sum of extracted chlorophyll measurements on each filter of a filter cascade down to a GF/F filter. Each measurement was a spectrophotometric assay of an acetone extract following the Jeffrey and Humphrey protocols."@en .
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