Selenium (Se) Back Catalog number: 57034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673856 1,2,4-Trichlorobenzene, 100 µg/ml, n-Hexane, 5ml Price on request 9463.15-K-IO 2,6-Di-tert-butyl-4-methoxyphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 489-01-0 Price on request MI509-100 Reagent kit for 100 tests (pH) Contains: 1 x 20mL pH Price on request