Internal Standard ICP-MS (200.8) Back Catalog number: 59143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2513.9-K-ME Acetylsalicylic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-78-2 Price on request CLM-1281-1.2 4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml Price on request 673929 Imazapyr, 10.0 µg/ml, Acetonitrile, 10ml Price on request