Linearity of Free Citric Acid by Titration Method | ||||
% Level | Amount Added | volume Taken for Titration | Volume of NaOH Consumed | PPM of Free Citric Acid Present in the 50 mL of the Sample |
(µg/mL) | (mL) | (mL) | PPM | |
25 | 12.5 | 50 | 0.99 | 12.68 |
75 | 37.5 | 50 | 2.88 | 36.88 |
100 | 50 | 50 | 3.89 | 49.81 |
125 | 62.5 | 50 | 4.88 | 62.49 |
175 | 87.5 | 50 | 6.71 | 85.93 |
Y Intercept | 16.65 | |||
r2 | 0.98 | |||
Bias | 4.17 |