Praseodymium (Pr) Back Catalog number: 57059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended WP-ISS Internal Standard Solution, 1.2ml, nonane Price on request 2949.6-100-IO gamma-1,2,3,4,5,6-Hexachlorocyclohexane-d6, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60556-82-3 Price on request 2715.9-10MG Perfluorononanoic acid Price on request