DIN 38404-3
DIN 38404-3 German standard methods for the examination of water, waste water and sludge - Physical and physical-chemical parameters (group C) - Part 3: Determination of absorption in the range of the ultraviolet radiation, Spectral absorptions coefficient (C 3)
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2005



