PSA-GCB-Mix 11 Back Catalog number: 674501 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11933-10-50-AN N-?Ethylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL, Price on request 2174.8-100-ME 3-Ethylthiophenol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 62154-77-2 Price on request 53030 Spike Sample Standard 2C (Water) Price on request