Total Organic Halides (TOX) Back Catalog number: 54243 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682394 Fenbendazole-sulfone, 100 µg/ml, Methanol, 1ml Price on request 59936 ICP-MS Verification Standard #1A Price on request 681833 D7-Propazine, 100 µg/ml, Acetonitrile, 1ml Price on request