Figure 5From: A new and sensitive reaction rate method for spectrophotometric determination of trace amounts of thiourea in different water samples based on an induction period Effect of KBrO 3 concentration. Conditions: TU 0.50 μg mL−1; H2SO4, 0.030 M; MCP, 5.2 × 10−5 M; KBr, 1.30 × 10−3 M and temperature of 25°C.Back to article page