Fluorene, 10µg/ml in Acetonitrile, 10ml

L-(+)-Ascorbic acid, certified, 0.25g

2,2',3,3'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

17 alpha(H),21ß(H)-(22RS)-Bishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-50-0