Multi-Element Internal Standard Back Catalog number: 59502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677076 Clofentezine, 100 µg/ml, Methanol, 5ml Price on request S-4444-2.5LX4 Mixed Alcohols, Butanol/Methanol (63:37) Price on request 9666.4-K-AN N-Nitrosodiethanolamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1116-54-7 Price on request