ISO INTERNATIONAL STANDARD 7059 Second edition 2023-07 Caprolactam for industrial use - Determination of absorbance at a wavelength of 290 nm Caprolactamedusage industriel-Determinationde I'absorbanced lalongueurd'ondede290nm Referencenumber IS07059:2023(E) iso @IS0 2023 IS07059:2023(E) COPYRIGHTPROTECTEDDOCUMENT IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may bereproduced orutilized otherwise in anyformorbyanymeans,electronicormechanical, including photocopying,orposting on the internet or an intranet, without prior written permission.Permission can be requested from either IsO at the address below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP40i.Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+41227490111 Email:copyright@iso.org Website:www.iso.org Published in Switzerland i @IS02023-All rightsreserved