Benzene, 100 µg/ml, Methanol, 5ml Back Catalog number: 675296 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended T-PFOS Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol Price on request 3039.10-K-CY n-Butylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-93-9 Price on request X9139 1-Naphthylamine Price on request