Linear relationship between absorbance and concentration

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Reference no: EM131083365

Cyclohexanone exhibits its strongest IR absorption band at 5.86 μm, and at this wavelength there is a linear relationship between absorbance and concentration.

(a) Identify the part of the molecule responsible for the absorbance at this wavelength.

(b) Suggest a solvent that would be suitable for a quantitative analysis of cyclohexanone at this wavelength.

(c) A solution of cyclohexanone (4.0 mg/mL) in the solvent selected in part (b) exhibits a blank-corrected absorbance of 0.800 in a cell with a path length of 0.025 mm. What is the detection limit for this compound under these conditions if the noise associated with the spectrum of the solvent is 0.001 absorbance units?

Reference no: EM131083365

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