PCC Agglomerates 4 | Scanning frequency | ||||
40 kHz | 20 kHz | 10 kHz | 5 kHz | 2.5 kHz | |
PCC/PCC-ratio (2511 cm−1/1794 cm−1) | 1.003 | 1.002 | 0.978 | 0.934 | 0.944 |
Polymers/PCC-ratio (1738 cm−1/2511 cm−1) | 0.083 | 0.064 | 0.087 | 0.081 | 0.080 |