ISO-7059 › Historical Revision Information
Caprolactam for Industrial Use - Determination of Absorbanceat a Wavelength of 290 Nm
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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.
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71.080.30 (Organic nitrogen compounds)
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Document Number
ISO 7059:1982
Revision Level
1ST EDITION
Status
Superseded
Publication Date
Dec. 1, 1982
Committee Number
ISO TC 61/SC 5