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This method is to be used to determine the CIE whiteness and tint indices (1) of white or near white specimens with or without optical brighteners. Whiteness differs fundamentally from paper brightness in that whiteness includes the entire visible spectrum in its assessment whereas brightness includes only the blue portion of the spectrum.
Product Details
- Published:
- 01/01/2021
- Number of Pages:
- 5
- File Size:
- 1 file , 380 KB
