Leptophos, 100 µg/ml, Ethyl acetate, 5ml

Metals Mix

n-Tetracontane, ?13C: -27.05, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 4181-95-7

2-Chloro[13C12]biphenyl, 50.0µg/mL in Nonane/5% toluene, 1,2ml