The GB/T 7975-2005 standard specifies a method for the determination of paper and Cardboard Color by diffuse reflection, suitable for samples without fluorescent dyestuff or pigment. This method eliminates the influence of Gloss, improves the accuracy of measurement by extinction treatment, and is suitable for Color evaluation of paper and Cardboard containing fluorescent whitening agents.
| Status | Active |
|---|---|
| CCS | Y30 | ICS | 85.060 |
| Release Date | 2005-09-26 00:00:00 | Implementation Date | 2006-04-01 00:00:00 |