WP 1,4-Dioxane Back Catalog number: 38193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70819 Propham Price on request 54235 Selenium (IV) Selenite, 1000µg/ml in Water, 100ml Price on request S-4045-05-10ME Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL Price on request