Fig. 1.Effect of sulfuric acid concentration on cloud point extraction of 100 ng mL −1 of nitrite. Conditions: KI concentration, 4.4×10 −3 mol L−1 ; 8 mL of Triton X-100 at 5% (v/v).
Fig. 1.Effect of sulfuric acid concentration on cloud point extraction of 100 ng mL−1ofnitrite. Conditions: KI concentration, 4.4×10−3mol L−1; 8 mL of Triton X-100 at 5% (v/v).