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 680443 beta-HCH, 100 µg/ml, Methanol, 1ml Price on request 675312 Roflumilast, 10mg Price on request 66204 PCB No. 204, 100µg/ml in Isooctane, 1ml Price on request