KS M ISO 8112-2008(2018) Caprolactam for industrial use-Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units(platinum-cobalt scale)-Spectrometric method
2008KS M ISO 8112:2008 Caprolactam for industrial use-Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units(platinum-cobalt scale)-Spectrometric method