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Effect of various interferences on the determination of sinapic, syringic, and rutin.
| Interfering Species | Sinapic Acid (RSD%) | Syringic Acid (RSD%) | Rutin (RSD%) |
|---|---|---|---|
| K+ | ±4.99 | ±3.75 | ±4.03 |
| Cl− | ±1.95 | ±3.00 | ±4.78 |
| Fe+3 | ±4.27 | ±4.76 | ±3.99 |
| Ca+2 | ±4.34 | ±4.26 | ±2.20 |
| caffeic acid | ±4.85 | ±3.43 | ±4.98 |
| 4-hydroxybenzoic acid | ±3.56 | ±3.40 | ±2.74 |
