In a chemistry lab, there are many ways to identify chemicals.

One of the most common methods is through gas chromatography-mass spectroscopy (GCMS).

This method works by separating the different components in a sample and then using an instrument to characterize each component individually.

The problem with GCMS is that it can only analyze one substance at a time.

Meaning that samples have to be treated individually.

To get around this limitation, chemists often use instrumental techniques like infrared spectroscopy (IR) or nuclear magnetic resonance (NMR).

In this post, we are going to focus on using IR spectroscopy as a means for identifying chemicals.

pentagram, star, symbol @ Pixabay

Specifically, the technique will be used to answer the question: can ir spectroscopy be used to distinguish two different types of pentanes?

This article is talking about how differences in physical properties (such as vibrational frequencies) .

Allow chemists to identify compounds in a sample through infrared spectroscopy.

The first paragraph introduces what IR analysis entails and then moves onto describing one difference between two types of pentane molecules .

That makes it possible for them to be differentiated by an IR spectrum.

Why Use Infrared Spectroscopy?: When looking at chemical samples with GCMS or NMR, many substances cannot be distinguished.


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