ISO 8660:2002
International Standard
Current Edition
·
Approved on
06 June 2002
Plastics — Determination of permanganate absorption number of caprolactam — Spectrometric method
ISO 8660:2002 Files
English
6 Pages
Current Edition
20.64 OMR
ISO 8660:2002 Scope
This International Standard specifies a spectrometric method for the determination of the permanganate absorption number of caprolactam for industrial use. The permanganate absorption number is a measure of the oxidizable impurities in caprolactam, determined in a buffered neutral aqueous medium under fixed conditions.
The method is applicable to purified caprolactam (and intermediates in the caprolactam purification process) with an alkalinity or acidity lower than 0,50 mmol/kg and a PAN value of up to 35.
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