
ILT-U-122
Paper determinations. Optical test
DETERMINATION | METHOD |
| Brightness | TAPPI T562 |
| Opacity | TAPPI T425 |
| Whiteness | TAPPI T562 |
| Dirt in Pulp | TAPPI T563 |

Paper determinations. Optical test
DETERMINATION | METHOD |
| Brightness | TAPPI T562 |
| Opacity | TAPPI T425 |
| Whiteness | TAPPI T562 |
| Dirt in Pulp | TAPPI T563 |