ICP-MS Low Check Mix Back Catalog number: 50298 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-23478-S 2,3,4,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 681362 4-Nitrophenol, 1000mg Price on request 674735 Flufenacet, 100mg Price on request