QC Standard 5 Back Catalog number: 53088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CL-PFHXPA 6-Chloroperfluorohexylphosphonic acid, 50µg/ml in MeOH, 1,2ml Price on request 673882 Paraoxon-ethyl, 100 µg/ml, Cyclohexane, 5ml Price on request 674581 Budesonide, 100mg Price on request