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