Aqueous ethanol control EtOH AQ (4.0g/L), 10 x 3.0ml

17 alpha(H),21ß(H)-Hopane, 100µg/mL in Isooctane, 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)

Demands