Multi-Element Calibration Standard-4 Back Catalog number: 50013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93717 Pesticide Standard Price on request 675755 Dimefox, 10.0 µg/ml, Acetonitrile, 10ml Price on request 682403 Triclabendazole-sulfone, 100 µg/ml, Acetonitrile, Price on request