PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone,

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

4-Methylvaleric acid, 250mg