WS PCB Back Catalog number: 38034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-236-S 2,3,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 50667 Metals Mix Price on request MDD-1234679 1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request