CLP Semi-Volatile Calibration Mix #4 Back Catalog number: 10030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672975 Sulfamerazine, 250mg Price on request 1962.12-50-IOX20 2,2',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-20, Cas.no. 5436-43-1 Price on request 70434 Acetophenone Price on request