4-Ethylpyridine,neat,neat,100mg,

Tin (Sn), 1000µg/ml in in 2%-HNO3 / 6%-HCl, 100ml

N-Nitroso-N-ethylaniline, 100μg/ml in MeOH, 5ml

2,8-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,