Anions Mix

Amitrole, 10.0 µg/ml, Methanol, 10ml

2,2',3,3',4,5,5',6,6'-Nonachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 50µg/ml in MeOH, 1,2ml