Hexavalent Chromium (Cr +6)

Pyrenyl-1-O-glucuronide, 50µg/mL, Solvent-methanol, Unit 50µg, # of units-1, Cas.no. 15417-05-2

2-Chlorophenol, 100 µg/ml, Acetonitrile, 5ml

Tolchlophos-methyl,100 µg/mL,MeOH,1mL,