Mixture of Mineral Oils A+B without additives (1:1), neat, 1ml

2,2',4,6,6'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Nitrite (NO2-) as N

2H,2H-Perfluorodecanoic acid, 50µg/ml in Acetone, 5ml