Aqueous ethanol control EtOH AQ (2.0g/L), 10 x 3.0ml Back Catalog number: AC-AQ20-030 Availability: In the manufacturer's stock Price on request - + Recommended S-4059-0.5-10B 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) Price on request 72428 cis-2-Butene Price on request 2888.30-50-IO 17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml Price on request