Colour of paper or board
This method provides measuring the colour of paper and board by the diffuse reflectance method with the elimination of specular gloss. It does not apply to papers which incorporate fluorescent pigments determine the colour of papers or boards which contain whitening agents provided the UV content of the illumination on the test piece has been adjusted to conform to that in the CIE illuminant C, using a fluorescent reference standard that fulfils the requirements for international fluorescent reference standards of level 3 (IR3) as prescribed by ISO 2469 with an assigned ISO brightness value (C/2°) provided by an authorized laboratory, as described in ISO 2470‑1.
- Suitable sample matrices
- Paper and board
- Typical turnaround time
- 3 weeks after receiving the samples
- Quality system
- Accredited testing laboratory
- ISO 5631-1&2
- Method expert
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