Recovery of Total Citric Acid by Titration Method | |||||
% Level | Citric Acid | ||||
Amount Added | volume Taken for Titration | Volume of NaOH Consumed | Amount Recovered | Average | |
(µg/mL) | (mL) | (mL) | PPM | % Recovery | |
50 | 25 | 50 | 1.94 | 24.84 | 99.37 |
75 | 37.5 | 50 | 2.90 | 37.14 | 99.03 |
100 | 50 | 50 | 3.90 | 49.94 | 99.88 |
125 | 62.5 | 50 | 4.81 | 61.59 | 98.55 |
150 | 75 | 50 | 5.91 | 75.68 | 100.91 |
Overall Avg. | 99.55 | ||||
% Recovery | |||||
Overall | 0.90 | ||||
% RSD | 0.91 |