WP & DMRQA Trace Elements Back Catalog number: 55024 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676976 D3-Ibuprofen, 100 µg/ml, Acetonitrile, 1ml Price on request S-4059-0-10B 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 679109 4,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml Price on request