ICP-MS Tuning Solution #1 EPA 200.8

5'-Fluoro-2,3,3',4,4',5,6-heptachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Betaxolol hydrochloride, 10mg

Dimethyl phthalate-d6