QC Standard 5 Back Catalog number: 52088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70292 1,1,2-Trichloroethane Price on request DF-1348-S 1,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 43023 2,4,6-Tribromophenol Price on request