PCB Congener Internal Standard Mix Back Catalog number: 94569 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10299.16-K-ME Tetra-n-butyltin-d36,1000 µg/mL,MeOH,1mL, Price on request Z343002 Zephirol-d7, 10mg Price on request 9348.17-100-ME Omeprazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 73590-58-6 Price on request