Initial Check Verif. Standard 4, in 4%HNO3, 100ml Back Catalog number: ICV-4-100 Availability: In the manufacturer's stock Price on request - + Recommended 2316.9-100 Diuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 330-54-1 Price on request 53013 Calibration Standard Mix 4 Price on request L-PFDOS Sodium perfluoro-1-dodecanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request