Naziru Imam

3 Questions 3 Answers 0 Followers

Questions related from Naziru Imam

Is visual inspection of a dataset sufficient for detecting outliers?

It is important that replicate data be examined for presence of outliers always. Where available, the outlier should be expunged before determining nmber of results (N), Mean (X) and Standard...

25 April 2023 176 2 View

Is it possible for a blank result to be higher than sample results in AAS analysis?

While determining Pb, Ni, and Cd in a soil sample using AAS, I obtained some results that were lower than the blank result. The sample was digested using 2M HNO3 and diluted to 50 mL. 1. Is it...

10 March 2023 3,679 10 View

AAS analysis of a food sample was carried out. The Pb result from the AAS was 0.000mg/L. How best should the results be reported in a discussion?

However, the blank results show a reading of 0.418mg/L. What could have been the source of this error? The machine? Or the analyst running the analysis? Note: the same blank was used for the...

29 October 2021 1,114 4 View