Dyes
Equation Y=b+ mx*
Linearity range (mg L
-1
)
Regression Coefficient
LOD
(mg L
-1
)
LOQ
(mg Kg
-1
or L
-1
)
Dimethyl yellow
1.73×10
4
+1.33×10
5
0.25-25
0.999
0.33
1.70
Sudan I
1.32×10
4
+ 6.42×10
4
0.25-25
0.998
0.25
1.28
Sudan II
0.90×10
4
+ 3.24×10
4
0.25-25
0.997
0.27
1.42
Sudan III
0.38×10
4
+ 4.28×10
4
0.25-25
0.998
0.23
1.19
Sudan IV
-0.57×10
4
+ 3.72×10
4
0.25-25
0.997
0.34
1.54
* Y=b+mx (where Y=linearity, b=intercept and mx=slope of the curve)
Table 3:
Linear regression equation, linearity range, regression coefficient, limit of detection (LOD) and limit of quantification (LOQ) of the dyes.
