Research Article

Utility of N-Bromosuccinimide for the Titrimetric and Spectrophotometric Determination of Famotidine in Pharmaceutical Formulations

Table 3

Evaluation of intraday and interday accuracy and precision.

Method FMT takenIntraday accuracy and precisionInterday accuracy and precision
FMT found%RE%RSDFMT found%RE%RSD

Titrimetry method A3.03.082.661.063.103.31.32
6.06.11.671.016.132.170.97
9.08.752.770.958.723.111.18
Method B1.01.022.011.020.973.011.12
5.04.941.220.984.892.221.34
7.06.921.141.116.871.861.29
Spectrophotometry  method C3.03.072.330.923.103.331.15
4.54.592.001.144.612.441.28
6.05.83.331.025.823.011.11
Method D0.60.623.331.250.583.331.35
1.81.852.781.211.762.221.29
3.02.942.021.133.103.331.17

RE: Relative error and RSD: Relative standard deviation.
In titrimetry, FMTs taken/found are in mg and they are g mL−1  in spectrophotometry.