KS M ISO 8112-2023 Caprolactam for industrial use-Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units(platinum-cobalt scale)-Spectrometric method
2023KS M ISO 8112-2023 Caprolactam for industrial use-Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units(platinum-cobalt scale)-Spectrometric method
0000 KS M ISO 8112-2008(2018)
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