Method validation of Cd (II) determination in lubrication oil by direct dilution method using atomic absorption spectrophotometer

The research about method validation of Cd (II) determination in lubricating oil by direct dilution method using atomic absorption spectrophotometer (AAS) has been conducted. The optimum parameters such as determination of optimum conditions of solvent and the analytical performance method were perf...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-07, Vol.1277 (1), p.12004
Main Authors: Panggabean, A S, Silaban, H S, Pasaribu, S P, Alimuddin
Format: Article
Language:English
Subjects:
Atomic absorption analysis
Dilution
Lubricating oils
Physics
Reproducibility
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Summary:The research about method validation of Cd (II) determination in lubricating oil by direct dilution method using atomic absorption spectrophotometer (AAS) has been conducted. The optimum parameters such as determination of optimum conditions of solvent and the analytical performance method were performed. The results of the measurement showed good result with the linearity value (R2) ≥ 0.995, the limit of detection (LOD) was 0.2209 ppm and limit of quantification (LOQ) was 0.7365 ppm, IDL was 0.0622 ppm and MDL was 0.0346 ppm, repeatability and reproducibility are shown as % RSD < 2/3 CV Horwitz values and the accuracy of this method was well shown by a recovery percentage of 91.65%. Based on the result of research, the direct dilution technique can be used for the determination of Cd (II) in lubrication oil using the AAS method with valid results.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1277/1/012004