PSA-C18-Mix 12 Back Catalog number: 674744 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673974 4-Nitrophenol, 100 µg/ml, Methanol, 5ml Price on request 1986.12-1G Diphenyltin dichloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1135-99-5 Price on request 54228 Bicarbonate Anion, 1000µg/ml in Water, 100ml Price on request