50 7.177×10-5 -2.8654 2.0565×10-4
100 14.35×10-5 -1.539 2.2162×10-4
125 17.94×10-5 -2.4561 4.4062×10-4
Table 1: Calculated initial rates [(-rA)o] for 50, 100 and 125 ppm CR at 150°C.