Fig. 5.
(A) CN(H2O)Cbi on glass fiber paper response to 1.0 and 5.0 ppm HCN. 5.0 ppm HCN response at 583 nm (black line), 1.0 ppm HCN response at 583 nm (dotted line). (B) Expanded version of the initial response (in s) to 5.0 ppm HCN at 583 nm (solid line) and 1.0 ppm HCN at 583 nm (dotted line).