Table 2
Comparison of optical temperature control and current temperature control
Cd concentration (ngmL−1) 1.00 1.00 5.00 5.00 10.00 10.00 15.00 15.00
Sensor Optical Current Optical Current Optical Current Optical Current
A average value 0.0305 0.0154 0.1524 0.0837 0.3011 0.1838 0.4493 0.2679
R.S.D. (%) 1.0 2.6 1.1 1.5 1.1 2.0 2.1 3.2
Sensibility (ngmL−1) 0.14 0.22 0.14 0.26 0.15 0.24 0.15 0.24