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Standard´s number: | ISO 7059:1982 |
Pages: | 1 |
Edition: | 1 |
Released: | 1982 |
Language: | English |
DESCRIPTION
ISO 7059:1982
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.