A toluene solution (1.50 mg / L) shows an absorbance of 0.30 in a cuvette with a 0.025 mm optical path. Calculate the limit of detection (in ppb) for toluene if the noise with the solvent spectrum is 0.002 absorbance units in a 0.050 mm cuvette.

A toluene solution (1.50 mg / L) shows an absorbance of 0.30 in a cuvette with a 0.025 mm optical path. Calculate the limit of detection (in ppb) for toluene if the noise with the solvent spectrum is 0.002 absorbance units in a 0.050 mm cuvette.

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter34: Particle Size Determination

Section: Chapter Questions

Problem 34.14QAP

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Question

Chemistry
A toluene solution (1.50 mg / L) shows an
absorbance of 0.30 in a cuvette with a 0.025
mm optical path. Calculate the limit of
detection (in ppb) for toluene if the noise with
the solvent spectrum is 0.002 absorbance
units in a 0.050 mm cuvette.

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