ICP-AES - Verification I Standard 1

4-Chloro-2'-fluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72093-45-9

Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg

13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml