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QUESTION
Seven replicate measurements by cold vapour atomic absorption of a standard containing 1.00 ng/L of Hg, gave concentration determinations of 0.84,...
Seven replicate measurements by cold vapour atomic absorption of a standard containing 1.00 ng/L of Hg, gave concentration determinations of 0.84, 1.50, 0.91, 1.17, 1.01, 1.43 and 1.12 ng/L, indicating a reasonably large standard deviation in the concentration, Δc. estimate the detection limit.
