Theophylline, 100µg/ml in MeOH, 5ml

Triadimenol, 100µg/ml in Acetonitrile, 1ml

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Custom PIONA mix for column control, ASTM D 5134-98(2008) 1264.7 Toluene 0,5% 1240.7 n-Heptane 1% 3248.8 2,3,3-Trimethylpentane 1% 1243.8 2-Methylheptane 1% 1873.8 4-Methylheptane 1% 1242.8 n-Octane 1% Solvent: 2-Methylpentane, 1235.6