PCB Mix 5 ppb Back Catalog number: 95018 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12116.18-100-ME Clindamycin hydrochloride,100 µg/mL,MeOH,1mL, Price on request 679332 2-Methylbenzophenone, 250mg Price on request 70180 Etridiazole Price on request