Saturated Fraction GC Control Set (S-4012 + S-4020) Back Catalog number: S-4019-SET Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 50129 Fluoride (F-) Price on request 11735.12-100-IO 2,2',3,3',5,5'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 677122 Methoxychlor, 10.0 µg/ml, Isooctane, 10ml Price on request