Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 12018.10-K-ME Di(propylene glycol) butyl ether, mixture of isomers,1000 µg/mL,MeOH,1mL, Price on request 8943.11 Propachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1918-16-7 Price on request CFN98681 Genistein, >98%, 20mg Price on request