Abstract

The absorbance of a 50 % aqueous caprolactam solution is spectrometrically measured at a wavelength of 390 nm and an optical path length of 50 mm. The result is expressed in Hazen units by multiplying the absorbance measured by a constant factor equal to 150. This factor is derived from measurements of absorbance of diluted standard solutions of platinum-cobalt scale.


General information 

  • Status
     :  Under development
    Publication date
     : 2023-07
  • Edition
     : 2
    Number of pages
     : 3
  • Technical Committee
     : ISO/TC 61/SC 5 Physical-chemical properties
  • ICS
     :
    71.080.30 Organic nitrogen compounds

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal:

9
Industry, Innovation and Infrastructure

Life cycle


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