ISO 7059:1982

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

Publication date: 1 dhj 1982

95.99 Withdrawal of Standard 17 korr 2023

General information

Current stage: 95.99 Effective date: 17 korr 2023

Originator: ISO

Owner: ISO/TC 61/SC 5

Type: International Standard

ICS: 71.080.30

Gjuha: frëngjisht anglisht

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Statusi: Shfuqizuar

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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.

ISO 7059:1982

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

95.99 Withdrawal of Standard 17 korr 2023

General information

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