Arsenic (As)

1,2-Dichloronaphthalene,50 µg/mL,isooctane,1mL,

Atrazine, 100 µg/ml, Acetonitrile, 5ml

1,4-Naphthoquinone-d6, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26473-08-5