CLP Calibration Std. IV Back Catalog number: 53152 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680732 Metribuzin-desamino, 5mg Price on request S-4059-0-BX5 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 681369 Siduron, 100mg Price on request