Hexavalent Chromium (Cr +6)

Proguanil hydrochloride, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 637-32-1

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

4-Ethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 123-07-9