Oven temperature: 120 C for 0 min increased to 200 C at a rate of 10 C min1 then held at 200 C
for 2 min and increased to 205 C at a rate of 10 C min1 and held
for 2 min, then increased to 210 C at a rate of 10 C min1 and held
for 2 min then increased to 215 C at a rate of 10 C min1 and held
for 3 min and increased to 230 C at a rate of 10 C min1 held for 3 min.