Native PCB Stock Solution , 1.2ml , nonane Back Catalog number: PCB-ST-A10 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 20149 Calibration Mix #1, 200µg/ml in MeOH, 1ml Price on request 52142 EPA 1620 Standard 4 Price on request 10278.12-100-ME (±)-Sotalol-d7 hydrochloride (isopropyl-d7),100 µg/mL,MeOH,1mL, Price on request