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"Absorbance of electromagnetic radiation (457nm wavelength) {light absorbance} by the water body [dissolved plus reactive particulate <0.2um phase] by filtration and spectrophotometry"@en .
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"accepted"@en .
"SWLA457A" .
"SDN:P01::SWLA457A" .
"The proportion of the incident light of the specified wavelength that is absorbed by a sample from any body of fresh or salt water that has been filtered through a 0.2um pore filter."@en .
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