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A

Anonymous

Oct 27, 2024

Why is it important not to have fingerprints on cuvette when using Genesys 20 Spectrometer?

Why is it important to avoid leaving fingerprints on the cuvette when using a Genesys 20 Spectrometer? What impact do fingerprints have on the accuracy of the measurements, and how can they affect the overall results of the spectroscopic analysis?

2 Answers

A
Anonymous

Feb 20, 2025

By using a spectrometer you're measureing the amount of light that the solution in the cuvette absorbs at a certain wavelength, which in turn tells you how much of the solute is dissolved in the solution. If you get fingerprints on the cuvette, this could intefere with the light absorbtion, and thus your readings would be off.

a spectrometer is sending light through your sample and detecting how much of this light is absorbed by the sample.

so if you add fingerprints (or any other type of extraneous material, like precipitate) that block light going through the sample, you will be changing this measurement.

if you change the measurement you will not be able to repeat the experiment and get the same results.

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