ICP-MS Calibration Standard

2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

4'-Chloroacetanilide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 539-03-7

2 alpha,17 alpha(H),21ß(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126208-29-7