From: Novel spectrophotometric method for determination of cinacalcet hydrochloride in its tablets via derivatization with 1,2-naphthoquinone-4-sulphonate
Sample number
CIN
Recovery (% ± SD)a
Added (μg/ml)
Found (μg/ml)a
1
10
9.86
98.60 ± 0.12
2
20
19.85
99.25 ± 0.21
3
40
39.95
99.88 ± 0.12
4
80
79.93
99.91 ± 0.01
5
100
99.96
99.96 ± 0.04