Time [hr] 50 100 150 200 250 275
CI1 [mg/l] 3,40 3,72 3,96 4,15 4,32 4,49
CI2[mg/l] 3,48 3,94 4,28 4,60 4,86 4,90
CI3 [mg/l] 3,13 3,54 3,84 4,13 4,38 4,46
Table 2: Comparison of the oxygen concentration reached by chosen samples during long term testing.