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Norm
ISO 7059:1982
Issue date: 1982 12 01
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm
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...
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Withdrawn
: 2023 07 17
Publisher:
International Organization for Standardization
Format:
Digital | 1 Pages
Language:
English
Currently valid:
ICS
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 7059:2023
2023 07 17
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm
Norm
ISO 7059:1982
1982 12 01
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm
Norm
↖
Norm
ISO 7059:2023
Issue date :
2023 07 17
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm