BTEX (5.0 µg/mL) Back Catalog number: 98516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58073 Tantalum (Ta) Price on request 672917 Triflusulfuron-methyl, 100mg Price on request MHXCHLOR (13C10)Chlordene, 1.2mL x 100ug/mL, nonane Price on request