Absorbance of electromagnetic radiation (496nm wavelength) {light absorbance} by the suspended particulate material >GF/F [pigment phase] by filtration and spectrophotometry on residue before and after methanol pigment extraction and differencing of the measurements
SDN:P01::PIGA496A
PigAbs496
Diff. of spectrophotometric spectra on GF/F filterered material pre and post methanol extraction
accepted