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sklademVydáno: 2002-07-15
BS ISO 8660:2002
Plastics. Determination of permanganate absorption number of caprolactam. Spectrometric method
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| Označení normy: | BS ISO 8660:2002 |
| Počet stran: | 16 |
| Vydáno: | 2002-07-15 |
| ISBN: | 0 580 40029 8 |
| Status: | Standard |
DESCRIPTION
BS ISO 8660:2002
This standard BS ISO 8660:2002 Plastics. Determination of permanganate absorption number of caprolactam. Spectrometric method is classified in these ICS categories:
- 83.080.01 Plastics in general
- 71.080.30 Organic nitrogen compounds
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.