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Melamine concentration in milk samples was determined spectrophotometrically. It was determined to be 1.35 ppm, 1.075...

Melamine concentration in milk samples was determined spectrophotometrically. It was determined to be 1.35 ppm, 1.075 ppm, 1.45 ppm, 1.175 ppm, 1.25 ppm, and 0.967 ppm. Report the mean melamine concentration rounded at the first uncertain digit based on the absolute 95 % CL.

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