Table 3:
Regression equation, correlation coefficient,
-test concentration ranges, detection limits, and RSD% direct and standard addition calibration curves of TC-Au complex by using uv-visible spectrophotometry.
Method
Regr. eq.
Correlation coefficient (
)
Line range
(µg/mL)
D.L. (µg/mL)
-test statistic
(calcd)
Tabulated
-test two tailed 95% C.I.
RSD%
(
)
Mean
Rec.%
TC-Au(III) complex
Direct
0.9991
5–70
0.7403
0.3994
2.365
0.9617
100.780
Standard addition
0.9989
5–70
0.8320
2.365
1.2855
103.970
TC-Hg(II) complex
Direct
0.9989
5–70
0.5867
0.4791
2.365
0.9617
100.950
Standard addition
0.9986
5–70
1.2126
2.365
1.2854
103.103