PSA-C18-Mix 3 Back Catalog number: 675411 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675656 Sebuthylazine, 100 µg/ml, Acetonitrile, 5ml Price on request 34052 EPA Method 524.2 - Additional Analytes Price on request 679524 13C6-Sulfaquinoxaline, 10mg Price on request