Research Article

Determination of Thiocyanate by Kinetic Spectrophotometric Flow Injection Analysis

Figure 7

Effect of flow rate for each channel on the sensitivity. Conditions: 0.5 M hydrochloric acid, 2 × 10−5 M janus green, 0.4 M bromated, 0.1 μg mL−1 thiocyanate, temperature of 40°C, sample loop volume of 200 μL, three reaction coil lengths from RC1 to RC3, 30 cm, 40 cm, and 150 cm, respectively.
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