Praseodymium (Pr) Back Catalog number: 58059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40005 EPA Method 608.1 Analytes Price on request 20058 CLP Semi-Volatile - Low Conc Aniline Mix #1 Price on request 97958 Method 525.2 Solution B Price on request