Silver (Ag)

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml

2,2',5,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25MG, # of units-1, Cas.no. 41464-41-9

n-Hydrocarbon Standard (C6-C32), 2000µg/ml in MeCHl, 1ml