Perchlorate Level 3 Back Catalog number: 59341 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8542-K-ME Tallow trimethyl ammonium chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request CL-PFOPA 8-Chloroperfluorooctylphosphonic acid, 50µg/ml in MeOH, 1,2ml Price on request 50783 Anions Mix Price on request