(min.) (ºc/min.) (ºc) 0 52 200 10.2 2.9 235 10 6.9 300 24 injector temp.: 270c flow: 1.2ml/min. (constant pressure) chromatography courtesy of karen macpherson and eric reiner, ontario ministry of the environment, etobicoke, on, canada. column: rtx -dioxin, 40m, 0.18mm id, 0.11µm initial temp.: 130ºc instrument: micromass altima high