Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL) Back Catalog number: S-4013-1ML Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 54328 Bicarbonate Anion (HCO3-) Price on request 675382 AMPA, 100 µg/ml, Water, 5ml Price on request PCB-LCS-A20 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request