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. 2012 Feb 19;2012:749694. doi: 10.5402/2012/749694

Table 1.

Pressure differences for three experiments. Δp 1 is for reference sample, Δp 2 for chitosan-coated sample. Standard deviations are displayed.

Exp. # Time/h Start pH Δp 1/Pa Δp 2/Pa
1 72 8.03 1547 ± 78 1050 ± 55
2 96 7.92 702 ± 67 554 ± 53
3 117 8.01 1109 ± 70 664 ± 66