3,3'-Dichlorobenzidine,100 µg/mL,acetonitrile,1mL

Nicotinic acid, Stock solution system check EN12260, 1000µg/mL, Solvent-water, Unit 75mL, # of units-1, Cas.no. 59-67-6

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

Vinclozolin, 100 µg/ml, Acetonitrile, 5ml