Conceptid (2) | Preflabel |
---|---|
ABSDXAC9 | Absorbance standard deviation of electromagnetic radiation (unspecified single wavelength) {light absorbance} by the water body by transmissometer and calibration to read zero in clear water |
SDLA440A | Absorbance standard deviation of electromagnetic radiation (440nm wavelength) {gelbstoff light absorbance} by the water body [dissolved plus reactive particulate <0.2um phase] by filtration and spectrophotometry |