BS 4432-3:1980
$86.31
Methods for determining optical properties of pulp, paper and board – Determination of opacity (paper backing) of paper and board by the diffuse reflectance method
| Published By | Publication Date | Number of Pages |
| BSI | 1980 | 12 |
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.
