Standard No.:	GB/T 7973-2003
English Name:	Paper, board and pulps - Measurement of diffuse reflectance factor(Diff/Geometry)
Chinese Name:	纸、纸板和纸浆漫反射因数的测定（漫射／垂直法）
Chinese Classification:	Y30    Papermaking in general
Professional Classification:	GB    National Standard
Issued by:	AQSIQ
Issued on:	1987-6-11
Implemented on:	1988-5-1
Status:	valid
Superseding:	GB/T 7973-1987 Paper board and pulps--Measurement of diffuse reflectance factor (Diff/o-Geometry)
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	115.00
Delivery:	via email in 1~3 business day

本标准规定了测定纸、纸板和纸浆漫反射因数的基本条件，如仪器的光谱、几何和光度计特性以及标准量值的传递方法等。漫反射因数的测量可以求得以下光学性质：纸浆、纸及纸板的蓝光漫反射因数（蓝光亮度）、颜色、光散射和光吸收系数和纸的下透明度等。本标准适用于测定纸、纸板和纸浆。