Praseodymium (Pr) Back Catalog number: 57059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679803 Sarafloxacin hydrochloride, 100 µg/ml, Methanol, Price on request 11731.12-100-IO 3,3',4,5,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 95614 Method 8081LCS/MS/MSD Spike Solution Conc Price on request