ICP MS Tuning Solution #4

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

25-Hydroxyvitamin D3, 100µg/ml in MeOH, 1ml

Isopentyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 123-92-2