CLP Semi-Volatile Acid Surrogate Standard Back Catalog number: 22015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40121 1,2-Dichloroethane-d4 Price on request C14465200 2-Isopropylthioxantone, certified, 0.1g Price on request 14500-0230-10CY10 Benzo(a)pyrene, 10μg/ml in Cyclohexane, 10ml Price on request