Status : Published (Under review)

This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
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Abstract

The method consists in extracting the acid from an acidified test portion using diethyl ether, nitrating followed by reduction and Mohler's reaction modified with hydroxylaminehydrochloride, measuring the absorbance of the red complex obtained with a suitable spectrometer. For determining lower concentrations, see ISO 5518.

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General information

  • Status
     : Published
    Publication date
     : 1983-11
    Stage
    : Close of review [90.60]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 34/SC 3
    ICS :
    67.080.01 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

12
Responsible Consumption and Production
3
Good Health and Well-being
2
Zero Hunger
13
Climate Action
15
Life on Land

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