Table 2.

Atomic concentration of carbon and oxygen in plasma treated cellulose determined by XPS.

Samples	MCC	MCC Ar	MCC Ar/N2	MCC Ar/O2	MCC Ar-ACN
C 1 s (%)	60.3	57.5	58.6	59.6	58.5
O 1s (%)	39.7	42.5	40.9	40.4	40.2
N 1s (%)	0.0	0.0	0.5	0.0	1.3