BS 4432-2:1980被替代
Methods for determining optical properties of pulp, paper and board. Measurement of diffuse blue reflectance factor (ISO brightness) of paper and board
出版：British Standards Institution
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基本信息
标准编号： BS 4432-2:1980
发布时间：1980/6/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：8
标准简介
Applies to white or near-white papers and boards. Those treated with a fluorescent dyestuff or exhibiting significant fluorescence may be measured, but the agreement between values obtained with different instruments may be unsatisfactory and the meaning of the results may be difficult to assess.
标准备注
© British Standards Institution 2013
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