Compute the amount of iron present in used jet engine oil

Reference no: EM13558457

An atomic absorption method for the determination of the amount of iron present in used jet engine oil was found, from pooling 30triplicate analyses, to have a standard deviation s=2.4 µgFe/mL. Calculate the 80% and 95% confidence limits for the results,18.5 µg Fe/mL, if based on

(a) a single analysis

(b) the mean of two

Reference no: EM13558457

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