Research Article

Cyclic Voltammetric Investigations of Thiazine Dyes on Modified Electrodes

Table 2

Electrochemical data for cyclic voltammetry of dyes (5 × 10−5 M) at modified (ZSM-5) GCE in the presence of  0.1 M H2SO4.

Dye /s−1 /V /V /V /

100.2150.1730.0420.9316.02
200.2180.1720.0461.0512.71
400.2200.1700.0501.0411.50
Thionine600.2220.1700.0521.0311.00
1000.2250.1680.0570.9411.01
1500.2250.1680.0570.9510.32
2000.2290.1650.0640.9310.02
3000.2350.1600.0750.8510.20

100.0700.0300.0401.0045.03
200.0750.0290.0461.1135.40
400.0750.0290.0461.2128.71
Azure C600.0780.0280.0501.1428.49
1000.0800.0280.0521.0528.41
1500.0820.0260.0561.0227.70
2000.0840.0250.0590.9827.89
3000.0850.0240.0610.9327.30

100.0580.0140.0440.9123.00
200.0600.0150.0451.0017.72
400.0620.0160.0461.0316.01
Azure A600.0650.0160.0490.9715.49
1000.0660.0120.0540.9215.80
1500.0680.0100.0580.9015.71
2000.0700.0080.0620.8715.79
3000.0750.0090.0660.8215.62

100.0600.0300.0300.5752.50
200.0630.0300.0330.7440.69
400.0680.0300.0380.8832.50
Azure B600.0700.0310.0390.8929.51
1000.0720.0320.0400.8629.21
1500.0760.0300.0460.8628.40
2000.0780.0290.0490.8527.29
3000.0820.0260.0560.8127.30

100.0940.0600.0340.7255.01
200.0950.0600.0350.9142.50
400.0960.0600.0361.0033.72
Methylene blue600.0980.0580.0400.9631.59
1000.1000.0550.0450.9530.80
1500.1020.0540.0480.9129.59
2000.1050.0500.0550.9029.60
3000.1080.0480.0600.8728.22