EPA Method 8260B Surrogate Standard

Sodium 8-chloroperfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol

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

4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2