ASTM D5184 Standard Test Methods for Determination of Aluminum and Silicon in Fuel Oils by Ashing, Fusion, Inductively Coupled Plasma Atomic Emission Spectrometry, and Atomic Absorption Spectrometry
20. Report
20.1 Report the results to the nearest 1 mg/kg as aluminum and silicon content by Test Method A or B.
21. Precision and Bias
21.1 Precision - The precision of these test methods was determined by statistical analysis of interlaboratory testing results. In this study, eight laboratories analyzed nine different samples in duplicate.
21.1.1 Repeatability - The difference between two test results, obtained by the same operator with the same apparatus under constant operating conditions on identical test material would, in the long run, in the normal and correct operation of the test method, exceed the values in Table 3 and Table 4 only in one case in twenty.
21.1.2 Reproducibility - The difference between two single and independent results, obtained by different operators working in different laboratories on identical test materials, would in the long run, in the normal and correct operation of the test method, exceed the values in Table 5 and Table 6 only in one case in twenty.
21.2 Bias - The lack ofsuitable standard reference materials precludes the determination of bias.
22. Keywords
22.1 AAS; aluminum; atomic-absorption-spectrometry; emission-spectrometry; ICP; inductively-coupled-plasmaatomic-emission-spectrometry; fuel oils; silicon
