(-)-Nicotine, 10 µg/ml, Methanol, 10ml

2-Hydroxy-5,6,7,8-tetrahydrocarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13314-79-9

CONOSTAN 1000ppm Standard, Cr, 50g

2,2,3,4,5,5-Hexachlorobiphenyl,BZ-141