Table 4: Percentage relative error for determination of TC-Au(III) and TC-Hg(II) complexes by direct and standard addition UV-vis methods.

ComplexState of drugStated concentration (mg/unit)Found direct calb.
(mg/unit)
% ErelFound st. add. calb.
(mg/unit)
% Erel

TC-Au(III)Capsule250251.950+0.780259.925
TC-Hg(II)Capsule250252.375+0.950257.757