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Table 2 Change of the minimal surface temperature of paper before and after the treatement by the CO2 snow jet with the carbon dioxide flow rate 3.0 g/s and different nitrogen flow rates

From: Carbon dioxide snow cleaning of paper

N2 flow rate (l/s) Whatman (°C) Holmen (°C)
0.3 − 30.6  ±  (1.9) − 31.0  ±  (1.5)
0.6 − 32.0  ±  (1.8) − 32.9  ±  (1.1)
1.4 − 34.6  ±  (2.3) − 36.7  ±  (2.2)