Table 2.
Linearity data for analysis of phytic acidand Phosphorus in groundnut seeds
| Sr. No | Concentration of standard solution | Mean Peak Area (µS*min) | Absorbance at 655 nm | % RSDr | R2 | Slop | Intercept | |
|---|---|---|---|---|---|---|---|---|
| Phytic acid (mg L−1) | ||||||||
| 1 | 1 | 0.0175 | – | 0.88 | 0.997 | 0.018 | 0.002 | |
| 2 | 5 | 0.0899 | – | 0.22 |
Linear regression equation: y = 0.018x—0.002 LOD ( mg L−1): 0.028 LOQ ( mg L−1): 0.084 |
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| 3 | 10 | 0.1855 | – | 0.08 | ||||
| 4 | 15 | 0.2622 | – | 0.08 | ||||
| 5 | 20 | 0.3745 | – | 0.05 | ||||
| Phosphorus (mg L−1) | ||||||||
| 1 | 0 | – | 0.000 | 0.00 | 0.987 | 0.153 | 0.006 | |
| 2 | 0.5 | – | 0.034 | 8.860 |
Linear regression equation: y = 0.153x + 0.006 LOD ( mg L−1): 0.065 LOQ ( mg L−1): 0.196 |
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| 3 | 2.5 | – | 0.435 | 10.08 | ||||
| 4 | 5 | – | 0.838 | 13.09 | ||||
| 5 | 7.5 | – | 1.103 | 17.76 | ||||