Perchlorate (ClO4-) Back Catalog number: 59345 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4761-2-10T Custom mix of C10-C16 alkyl PAHs, 25 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade): Prepared gravimetrically by weighing components and solvent to a calculated 0,2mg/mL. This product has been diluted gravimet Price on request 682208 Benoxacor, 100 µg/ml, Acetonitrile, 5ml Price on request 91916 Soil Absolute Grade ™ - Metals Price on request