PCB Mix 3.0 ppb Back Catalog number: 95275 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96593 Chlorpheniramine Price on request 3584.17-K-IO 2,4-Diethylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 82799-44-8 Price on request 90223 n-Hexane Price on request