Uranium standard

2,2',6,6'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

1-Chlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39227-53-7

Clarithromycin, >98%, 1g