AAS was qualified as per pharmacopoeia requirements. Copper, manganese, mercury and cadmiumhallow cathode lamps were used for qualification purposes. Design qualification and installationqualification met the criteria of user requirements. Wavelength accuracy and reproducibility,resolution and baseline stability are in compliance with user requirements. Characteristicsconcentration or sensitivity, detection limit and characteristics mass were performed as a part ofoperational qualification which is 0.062 µg/mL, 0.00354 µg/mL, 1.41 pg respectively. Results of %RSD for precision study is 0.352 and 0.487 for flame and graphite furnace mode respectively fulfilledcriteria of qualification. Performance qualification results of 20 consecutive days demonstratethe predetermined specification. Analytical instrument qualification and method validationrelationship is also described by assay performed on haemodialysis concentrate. Good precision(<2%) and accuracy (95% - 105%), coefficient of determination (R2) greater than 0.9997 for potassium,magnesium and calcium linear curves, lower detection limits for all three ingredients androbust assay data as a part of validation studies conform the qualified AAS for its intended application
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