Low Level Hexavalent Chromium

Famotidine,1000 µg/mL,MeOH,1mL,

Pigment Red 170, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2786-76-7

Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml