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Study on aspiration sequences.
| No | Carrier solution | Sequencea | Calibration graph equation | r 2 |
|---|---|---|---|---|
| 1 | deionized water | R/S/R | y = 0.0301x + 0.1368 | 0.9964 |
| 2 | Acetate buffer | R/S/R | y = 0.1586x − 0.0109 | 0.9992 |
| 3 | Natural reagent | R/S/R | y = 0.3253x − 0.2195 | 0.9746 |
| 4 | Standard/sample solution | S/R/S | y = 0.1094x + 0.1678 | 0.9931 |
a R and S represent natural reagent and standard/sample, respectively.
