Perchlorate (ClO4-) Back Catalog number: 54164 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678981 Dimethipin, 10 µg/ml, Methanol, 10ml Price on request 72037 Tripentyltin chloride Price on request 79247 EPA Method 8330 Analyte Price on request