Group I Elements Starter Kit Back Catalog number: 52253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P-089S-10X Metribuzin, 1000µg/mL in MeOH, 1ml Price on request PCB-IS-C Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Price on request M44P-DDD 1,1-Dichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane Price on request