ICP-MS Tuning Solution

D4-Carbendazim, 100 µg/ml, Methanol, 1ml

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

Bisphenol S, 100µg/ml in MeOH, 5ml