Parameters

Butamirate citrate

Benzoic acid

Linearity

slope

12392

23056

intercept

-24.733

979.54

r

0.9975

0.9997

Range (mg/ml)

0.28 - 0.84

0.23 - 0.68

Repeatability

RSD%

0.307

0.191

Accuracy

mean recovery

100.248

99.013

RSD%

0.928

0.537

Table 1: Some of the validation parameters for butamirate citrate/benzoic acid assay.