Measure spectrophotometrically by reaction with dithizone

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Reference no: EM13184670

lead on leaves by a roadside was measured spectrophotometrically by reaction with dithizone. The standard deviation for a triplicate analysis was 2.3 ppm. What is the 90% confidence limit?

Reference no: EM13184670

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Measure spectrophotometrically by reaction with dithizone : lead on leaves by a roadside was measured spectrophotometrically by reaction with dithizone. The standard deviation for a triplicate analysis was 2.3 ppm.

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