Arsenic (As) Back Catalog number: 59565 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59289 Metals Mix Price on request 50195 Sulfide (S) Price on request DF-12468-S 1,2,4,6,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request