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sklademVydáno: 2013
ISO 22891:2013
ISO 22891:2013-Paper — Determination of transmittance by diffuse reflectance measurement
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1800 Kč
Francouzsky PDF
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1800 Kč
Anglicky Tisk
Skladem
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Francouzsky Tisk
Skladem
1800 Kč
| Označení normy: | ISO 22891:2013 |
| Počet stran: | 11 |
| Vydání: | 2 |
| Vydáno: | 2013 |
Popis
ISO 22891:2013
ISO 22891:2013 specifies a method for the calculation of transmittance based upon diffuse reflectance measurements. The use of the method is restricted to white and near-white translucent papers (see 3.9). If it is necessary to determine the transmittance of papers which contain fluorescent whitening agents, the fluorescence emission is eliminated using the prescribed UV cut-off filter.