Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8866.9-K-IO 5-Methylquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 57265 Terbium (Tb) Price on request 676191 Mesosulfuron-methyl, 100 µg/ml, Acetonitrile, 5m Price on request