PCB No. 209, 100ug/ml in IO, 1ml

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)

4-Ethyltoluene, 100 µg/ml, Methanol, 1ml

LC Caffeine Standards Kit, 6 x 10ml