ISO 8660:2002
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Plastics — Determination of permanganate absorption number of caprolactam — Spectrometric method
| Published By | Publication Date | Number of Pages |
| ISO | 2002-05 | 14 |
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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