. 2020 Jan 6;5(2):1086–1097. doi: 10.1021/acsomega.9b03206

Table 2. Oxygen Transmission Rate (OTR, cm³ m^–2 day^–1) and Oxygen Permeability (OP, cm³ μm m^–2 day^–1) of Ch-CA-Gx Membranes under the Conditions of 40 and 80% Relative Humidity, and 100% Oxygen at 23 °C.

samples	OTR at 40% RH	OP^b at 40% RH	OTR at 80% RH	OP^b at 80% RH
Ch-CA-G0	0.07	23.73	0.07	28.80
Ch-CA-G1	^a	^a	0.07	505.48
Ch-CA-G2	^a	^a	1.03	545.95
Ch-CA-G3	0.02	12.48	0.79	453.24

The OTR values of these materials were below the detection limit.

The OP value is equal to the value (OTR value × film thickness).

Table 2. Oxygen Transmission Rate (OTR, cm3 m–2 day–1) and Oxygen Permeability (OP, cm3 μm m–2 day–1) of Ch-CA-Gx Membranes under the Conditions of 40 and 80% Relative Humidity, and 100% Oxygen at 23 °C.