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Regression coefficients of Absprotein as f(BSA) in the three contrasting matrices, also in the presence of citrate.
| Analytical matrix | Slope of Abs protein as f [BSA] | s.e. |
|---|---|---|
| PBS | 0.005573 | 0.000076 |
| Soil extract in PBS | 0.004485 | 0.000076 |
| PBS spiked with HA (160 ppm) | 0.004399 | 0.000076 |
