标准编号：ISO 5631-1:2022
中文名称：纸和纸板 漫反射法测定颜色 第1部分：室内日光条件下（C/2°）
英文名称：Paper and board — Determination of colour by diffuse reflectance — Part 1: Indoor daylight conditions (C/2°)
发布日期：2022-07
标准范围
This document specifies a method for measuring the colour of paper and board by the diffuse reflectance method with the elimination of specular gloss.
This document is not applicable to coloured papers or boards which incorporate fluorescent dyes or pigments. It may be used to determine the colour of papers or boards which contain fluorescent whitening agents provided the UV content of the illumination on the test piece has been adjusted to conform to that in the CIE illuminant C, using a fluorescent reference standard that fulfils the requirements for international fluorescent reference standards of level 3 (IR3) as prescribed by ISO 2469 with an assigned ISO brightness value provided by an authorized laboratory, as described in ISO 2470-1.
标准预览图
立即下载标准文件