Alternate Metals Kit

2,5-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

2,3,3',4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Perfluorotridecanoic acid, 50µg/mL in MeOH, 1mL