Seted pH | pH bath | pH before heating | pH aqueous gel | pH evap 2 | pH evap 3 | pH gel |
Lot 4.5 | 4.8 | 4.5 | 4.2 | 4.5 | 4.3 | 4.1 |
Lot 4.9 | 4.7 | 4.9 | 4.5 | 4.7 | 4.4 | 4.6 |
Lot 5.6 | 4.8 | 5.6 | 5.1 | 4.9 | 4.7 | 4.9 |