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Results of regression analysis on calibration curves by ICPAES
| Element | Regression equation | Correlation coefficient | Linear range (μg/mL) |
|---|---|---|---|
| Ca | y = 2947.8x + 0.9335 | 0.9995 | 0.1–5.0 |
| Fe | y = 3485.8x + 18.943 | 0.9998 | 0.1–5.0 |
| Mg | y = 99539x + 465.25 | 0.9997 | 0.1–5.0 |
| P | y = 324x−1.8124 | 0.9999 | 0.1–5.0 |
| Sr | y = 234342x + 653.88 | 0.9996 | 0.05–2.00 |
