1,2,3,8-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane

Perfluoro-n-octanoic acid; PFOA, 98%, 25g

trans-Crocetine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 27876-94-4

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I