Table 1 Hg/Au electrode sensitivities (calibration slopes) measured in artificial seawater
Sensitivity (10-2 nA/μM) | |||
|---|---|---|---|
Mn(II) | Fe(II) | S(-II) | |
Artificial seawater (no organic carbon) | |||
E1 | 7.4(1), 5.6(1) | 2.71(7) | 31.6(3), 30.0(3) |
E2 | 7.7(1), 6.5(1) | 3.11(8) | 31(1), 23.1(2) |
E3 | 6.9(1), 12.5(3) | 5.3(1) | 24.7(5), 55.3(4) |
Artificial seawater with 0.85 (mg C)/L Pacific Ocean fulvic acid | |||
E1 | 7.7(2) | 3.26(9) | 26.2(4) |
E2 | 6.3(2) | 2.11(6) | 17(1) |
E3 | 6.9(2) | 2.66(8) | 21.9(8) |
Artificial seawater with 26 (mg C)/L Pony Lake fulvic acid | |||
E1 | - | 5.4(1) | 46(2) |
E2 | - | 2.44(5) | 21.59(5) |
E3 | - | 2.77(6) | 25.0(3) |