Propranolol
Attenuation of light
Continuous flow injection analysis
Turbidity
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A new, simple and sensitive method was used forevaluation of propranolol withphosphotungstic acidto prove the
efficiency, reliability and repeatability of the long distance chasing photometer (NAG-ADF-300-2) using continuous
flow injection analysis. The method is based on reaction between propranolol and phosphotungstic acid in an aqueous
medium to obtain a yellow precipitate. Optimum parameters was studied to increase the sensitivity for developed
method. A linear range for calibration graph was 0.007-13 mmol/L for cell A and 5-15 mmol/L for cell B, and LOD
207.4792 ng/160 µL and 1.2449 µg/160 µL respectively to cell A and cell B with correlation coefficient (r) 0.9988 for
cell A, 0.9996 for cell B, RSD% was lower than 1%, (n=8) for the
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