Hexavalent Chromium (Cr +6)

3,3´-Dichlorobenzidine, 100mg

n-Valeraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane