Table 6 Risk of an inaccurate result as a function of concentration calculated using the response factor for the 50 μg/ml working standard (limit 10% difference)
From: A risk-based approach to validation of ion chromatography methods using suppressed conductivity
Actual conc. (μg/mL) | Area | RF | Conc. found (μg/mL) | % Recovery | % Difference |
|---|---|---|---|---|---|
35.06 | 0.653 | 0.01851 | 35.01 | 100.7 | − 0.7 |
40.37 | 0.741 | 0.01851 | 40.37 | 99.1 | 0.9 |
50.19 | 0.929 | 0.01851 | 50.19 | 100.0 | 0.0 |
60.10 | 1.092 | 0.01851 | 60.07 | 98.1 | 1.9 |
65.10 | 1.171 | 0.01851 | 65.02 | 97.1 | 2.9 |