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Table 3 Precision of the proposed assay at different CIN concentrations

From: Novel spectrophotometric method for determination of cinacalcet hydrochloride in its tablets via derivatization with 1,2-naphthoquinone-4-sulphonate

Concentration (μg/ml)

Relative standard deviation

 

Intra-assay, n = 5

Inter-assays, n = 6

10

0.83

0.79

40

0.83

0.71

80

0.35

0.44