IP 391-95 Calibration Level 3 Back Catalog number: 98403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57105 Boron (B) Price on request 678122 D8-9,10-Anthraquinone, 100 µg/ml, Acetonitrile, Price on request S-4059-1-10B 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