Paper and board—Determination of dominant wavelength and excitation purity—D65/10°diffuse reflectance method
全国造纸工业标准化技术委员会
本标准规定了用消除光泽的漫反射法测定纸和纸板主波长和兴奋纯度。本标准适用于未加入荧光染料或颜料的纸和纸板。当仪器光源照射在试样上的紫外辐射量调准至与GB/T 7973规定的授权实验室提供的在CIE照明体D65条件下的荧光参比标准一致时，本标准可用于测定含有荧光增白剂的纸和纸板。
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