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Table 1 Effect of interfering anions on Se (IV) analysis

From: An optical sensor for selenite determination in aqueous samples

Sr. No Interfering anion Tolerated ratio
[X]/[Se (IV)]
1 PO43− 50
2 H2CO32− 5
3 Cl 500
4 C2O42− 25
5 BrO3 5
6 NO3 100
7 Br 50
8 SO42− 50