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. 2024 Sep 17;9(39):40346–40357. doi: 10.1021/acsomega.4c01183

Table 9. Summary of Results of Analytical Validation Parameters.

Validation Parameters Acceptance Criteria Results
System suitability RSD % ≤ 0.85 for six consecutive injections Complies (Table 4)
Specificity No interference from blank, placebo or forced degradation related products between carglumic acid and known impurities No interference observed (Table and5Figure 6)
Linearity and range   R2 ≥ 0.99 Complies
P value ≥0.05 for intercept
≤0.05 for x value
Accuracy 4 μg/mL (0.05%), 8000 μg/mL (100%), 9600 μg/mL (120%) Should be within limit 98%–102% for each injection Complies (Table S10)
Precision RSD ≤ 2 N = 6each day, between days Complies (Tables S7 and S11–12)
LOD/LOQ LOQ s/N ≥ 10 (RSD % ≤ 10 N = 6) x̅ s/N = 14.1 (RSD= 0.95)
LOD 2 ≤ s/N ≤ 3 s/N= 2.1, 2.2