Group II Elements Starter Kit Back Catalog number: 52255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98512 Molinate Price on request 674889 N4-Phthalylsulfathiazole, 250mg Price on request 11698.12-100-IO 2,3,4',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request