When it comes to preparing samples for infrared spectroscopy, KBr is often the material of choice.
Why Use KBr to Make the Pellet? 4 Key Reasons Explained
1. Transparency in the Infrared Region
KBr is chosen because it is transparent in the infrared region.
This transparency is crucial for infrared spectroscopy.
It allows infrared light to pass through the sample effectively.
This enables accurate measurement of the sample's absorption spectrum.
2. Plasticity Under Pressure
KBr exhibits plasticity when subjected to pressure.
This property is essential for the pellet formation process.
When a powdered sample is mixed with KBr and compressed, the KBr becomes plastic.
It helps in forming a uniform, transparent pellet.
This uniformity is critical for obtaining consistent and reliable spectroscopic data.
3. Versatility and Ease of Use
The KBr pellet method is versatile.
It can be used with a wide range of samples.
This makes it a popular choice in various fields such as pharmaceutical, biological, and nutritional research.
The benchtop KBr Pellet Press is designed to be compact and easy to use.
It requires minimal bench space and no fixed mounting.
This enhances its accessibility in laboratories.
4. Economical and Efficient
Compared to other techniques, the KBr pellet method is relatively economical.
Especially with the availability of affordable pellet presses.
It allows for the adjustment of the pathlength of the compound of interest.
This provides a substantial advantage in controlling the analytical conditions.
It also optimizes the sensitivity of the measurements.
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