Mass-Labelled PCB Recovery Standard, 1.2ml, nonane Back Catalog number: P48-RS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 18000-0701D-100ME Metformin-d6-HCl, 100μg/ml in MeOH, 5ml Price on request 685230 Ergocalciferol, 250mg Price on request LA20830200CY Indeno(1,2,3-c,d)pyrene-D12,10µg/mL in CY, 1ml Price on request