Open Access

Table 1

Theoretical plate numbers and resolutions of each component in system suitability solution

No. Component Retention time /min Peak width at half-height /min Theoretical plate number (n) Resolution(Rij)*
1 Im1 1.964 0.069 4 488 R12=25.65
R23=8.101
R34=6.677
2 Indapamide 8.003 0.208 8 201
3 ImA 11.556 0.308 7 799
4 ImB 15.381 0.366 9 784

*Rij=2×(tRj-tRi)/(1.70×(Wih/2+Wjh/2)), tR: Retention time; Wh/2: Peak width at half-height

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