i Temperature Yield 1 50 3.3 2 50 2.8 3 50 2.9 4 70 2.3 5 70 2.6 6 70 2.1 7 80 2.5 8 80 2.9 9 80 2.4 10 90 3.0 11 90 3.1 12 90 2.8 13 100 3.3 14 100 3.5 15 100 3.0