Table 5: Regression equation, correlation coefficient, -test concentration ranges, detection limits, RSD%, and recovery (rec.%) for the determination of TC-Au(III) complex by FAAS.

Regr. eq.
Corr.
coefficient ( )
Linear range
(µg/mL)
D.L. (µg/mL)t-test statistic
(calcd)
Tabulated
t-test two tailed 95% C.I.
RSD%
( )
Rec.%

Direct method
0.99675–300.09951.76032.5711.054104.753

Standard addition method
0.99885–280.65692.5713.25395.639