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sklademVydáno: 2009-11-30
BS ISO 2471:2008
Paper and board. Determination of opacity (paper backing). Diffuse reflectance method
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| Označení normy: | BS ISO 2471:2008 |
| Počet stran: | 20 |
| Vydáno: | 2009-11-30 |
| ISBN: | 978 0 580 55162 8 |
| Status: | Standard |
DESCRIPTION
BS ISO 2471:2008
This standard BS ISO 2471:2008 Paper and board. Determination of opacity (paper backing). Diffuse reflectance method is classified in these ICS categories:
- 85.060 Paper and board
This International Standard specifies a method for the determination of the opacity (paper backing) of paper by diffuse reflectance.
It can be used to determine the opacity of papers or boards which contain fluorescent whitening agents, provided the UV content of the radiation incident on the test piece has been adjusted to conform to that in the CIE illuminant C using a fluorescent reference standard provided by an ISO/TC 6 authorized laboratory as described in ISO 2470-1.
This International Standard is not applicable to coloured papers or boards which incorporate fluorescent dyes or pigments.