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ISO 7059:1982

Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm

Dec 1, 1982
95.99 Withdrawal of Standard   Jul 17, 2023

General information

95.99     Jul 17, 2023

ISO

ISO/TC 61/SC 5

International Standard

71.080.30  

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Scope

The spectrometric measurement of the absorbance of a 50 % caprolactam water solution is carried out at a wavelength of 290 nm. The absorbance, expressed in relation to an optical path length of 1 m, is given by a specified formula in which AO is the correction for the difference in absorbances of the cells; A1 is the absorbance of the test solution, and 1 is the optical path length, in centimetres, of the cell.

Life cycle

NOW

WITHDRAWN
ISO 7059:1982
95.99 Withdrawal of Standard
Jul 17, 2023

REVISED BY

PUBLISHED
ISO 7059:2023