Dow FR-250, 100µg/ml in Isooctane, 1ml Back Catalog number: B-250S Availability: In the manufacturer's stock Price on request - + Recommended 12017.7-K-ME Di(propylene glycol) monomethyl ether, mixture of isomers,1000 µg/mL,MeOH,1mL, Price on request 57234 Selenium (Se) Price on request S-4153-500-CY Column Resolution Test Mix C20-C24 2 Analytes, each 0,05 Wt.% in cyclohexane; unit : 5x1mL n-Eicosane C20 n-Tetracosane C24 Price on request