. 2019 Jan 16;4(1):1410–1415. doi: 10.1021/acsomega.8b03305

Table 3. Electroanalytical Parameters for Silica-Modified GC Electrodes of Different Types. For Experimental Conditions, See Figure 3.

	sensitivity (A/M)		DL (μM)		linear domain (μM)		R²/no. of points
electrode	pH 6	pH 4.4	pH 6	pH 4.4	pH 6	pH 4.4	pH 6	pH 4.4
GC/Nafion	0.013 ± 0.001	0.165 ± 0.049	4.79	4.14	0–100	0–10	0.9987/12	0.9914/7
GC/SBA-15/Nafion	0.377 ± 0.007	0.564 ± 0.023	0.97	1.10	0–20	0–10	0.9979/8	0.9920/7
GC/SBA-15-NH₂/Nafion	1.520 ± 0.020	1.462 ± 0.052	0.36	0.73	0–10	0–8	0.9991/7	0.9950/6
GC/MCM-41/Nafion	0.992 ± 0.047	2.487 ± 0.063	0.97	0.70	0–8	0–10	0.9912/6	0.9968/7
GC/MCM-41-NH₂/Nafion	0.765 ± 0.020	2.300 ± 0.121	0.71	0.76	0–10	0–6	0.9909/7	0.9901/5