QC Check Sample

Native Perfluoroether-Carboxylic Acids and -Sulfonate Mix, 2µg/ml in MeOH, 1,2ml

7-Aminoclonazepam , neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4959-17-5

Pethoxamid ESA sodium salt, 100µg/ml in Acetonitrile, 1ml