DONeX, SPE Clean-up Cartridge for DONAnalysis,25ks Back Catalog number: 12792 Availability: In the manufacturer's stock Price on request - + Recommended 9375 ELUFIX columns, 1g Florisil & 1g Na2SO4, pk/50 Price on request 11629 Cap for 6mL glass columns, esp for LCTech P/N 135 Price on request PL3540-P603VP VariPure(TM) IPE 1g/20mL, 25/pk Price on request