Knowledge What are KBr Pellets? 5 Key Points Explained
Author avatar

Tech Team · Kintek Solution

Updated 1 month ago

What are KBr Pellets? 5 Key Points Explained

KBr pellets are a common tool used in infrared spectroscopy, particularly for the analysis of solid samples.

These pellets are made by compressing a mixture of potassium bromide (KBr) and the sample material into a solid, transparent disk.

The process of forming KBr pellets is valued for its ability to adjust the pathlength of the compound being studied, which is a significant advantage over newer techniques like ATR (Attenuated Total Reflectance).

5 Key Points Explained

What are KBr Pellets? 5 Key Points Explained

1. Formation and Use of KBr Pellets

To prepare a KBr pellet, a small amount of the sample (typically 0.2 to 1 percent by weight) is mixed with pure KBr powder.

This mixture is then compressed using a KBr pellet press, which subjects the mixture to high pressure and sometimes heat.

The press is designed to be compact and hand-operated, making it accessible for use in various laboratory settings without the need for expensive equipment.

The resulting pellet is a solid disk that is transparent in the infrared region, allowing for the analysis of the sample's infrared spectrum.

2. Advantages and Applications

The primary advantage of using KBr pellets is their versatility in adjusting the pathlength, which directly affects the intensity of the infrared beam passing through the sample.

This adjustment capability is crucial for obtaining clear and accurate spectra, as too high a concentration of the sample can lead to absorption or scattering of the IR beam, resulting in noisy or unclear data.

KBr pellets are particularly useful for analyzing solid samples that are not soluble in common solvents or are otherwise difficult to analyze using liquid or gas phase techniques.

The method exploits the plasticity of alkali halides like KBr and CsI (cesium iodide) under pressure, which allows them to form transparent sheets suitable for infrared analysis.

3. Conclusion

KBr pellets are an essential tool in the field of infrared spectroscopy, offering a reliable and adjustable method for analyzing solid samples.

Their preparation involves a straightforward process of mixing and compressing, utilizing specialized but accessible equipment.

The transparency and adjustability of these pellets make them invaluable for obtaining precise and clear infrared spectra.

Continue exploring, consult our experts

Explore the precision and versatility of KBr pellets with KINTEK SOLUTION, your go-to source for high-quality infrared spectroscopy accessories.

Discover how our durable, hand-operated pellet presses and pure KBr materials can enhance your solid sample analysis, ensuring crisp and accurate results.

Elevate your lab's capabilities and experience the difference with KINTEK SOLUTION's reliable and user-friendly solutions today!

Related Products

kbr pellet press 2T

kbr pellet press 2T

Introducing the KINTEK KBR Press - a handheld laboratory hydraulic press designed for entry-level users.

Automatic Lab XRF & KBR Pellet Press 30T / 40T / 60T

Automatic Lab XRF & KBR Pellet Press 30T / 40T / 60T

Fast and easy xrf sample pellet preparation with KinTek Automatic Lab Pellet Press. Versatile and accurate results for X-ray fluorescence analysis.

Potassium Fluoride (KF) Sputtering Target / Powder / Wire / Block / Granule

Potassium Fluoride (KF) Sputtering Target / Powder / Wire / Block / Granule

Get top-quality Potassium Fluoride (KF) materials for your lab needs at great prices. Our tailored purities, shapes, and sizes suit your unique requirements. Find sputtering targets, coating materials, and more.

XRF Boric Acid lab Powder Pellet Pressing Mold

XRF Boric Acid lab Powder Pellet Pressing Mold

Get accurate results with our XRF Boric Acid lab Powder Pellet Pressing Mold. Perfect for preparing samples for X-ray fluorescence spectrometry. Custom sizes available.

Electric Hydraulic Pellet Press for XRF & KBR 20T / 30T / 40T / 60T

Electric Hydraulic Pellet Press for XRF & KBR 20T / 30T / 40T / 60T

Efficiently prepare samples with the Electric Hydraulic Press. Compact and portable, it's perfect for labs and can work in a vacuum environment.

XRF & KBR steel ring lab Powder Pellet Pressing Mold

XRF & KBR steel ring lab Powder Pellet Pressing Mold

Produce perfect XRF samples with our steel ring lab powder pellet pressing mold. Fast tableting speed and customizable sizes for accurate molding every time.

lab pellet press for vacuum box

lab pellet press for vacuum box

Enhance your lab's precision with our lab press for vacuum box. Press pills and powders with ease and precision in a vacuum environment, reducing oxidation and improving consistency. Compact and easy to use with a digital pressure gauge.

Hybrid High Energy Vibratory Ball Mill

Hybrid High Energy Vibratory Ball Mill

KT-BM400 is used for rapid grinding or mixing of dry, wet and frozen small amount of samples in the laboratory. It can be configured with two 50ml ball mill jars

XRF & KBR plastic ring lab Powder Pellet Pressing Mold

XRF & KBR plastic ring lab Powder Pellet Pressing Mold

Get precise XRF samples with our plastic ring lab powder pellet pressing mold. Fast tableting speed and customizable sizes for perfect molding every time.

Boron Nitride (BN) Crucible - Phosphorous Powder Sintered

Boron Nitride (BN) Crucible - Phosphorous Powder Sintered

Phosphorus powder sintered boron nitride (BN) crucible has a smooth surface, dense, pollution-free and long service life.

XRD X-ray diffraction grinder

XRD X-ray diffraction grinder

KT-XRD180 is a miniature desktop multifunctional horizontal grinder specially developed for sample preparation of X-ray diffraction (XRD) analysis.

High energy Planetary Ball Mill

High energy Planetary Ball Mill

The high-energy planetary ball mill KT-BMP2000 can not only perform fast and effective grinding, but also has good crushing ability. It can crush and grind hard samples with large particle size, which can meet more processing needs of users.

Liquid nitrogen cryogenic vibration ball mill

Liquid nitrogen cryogenic vibration ball mill

Kt-VBM100 is a laboratory desktop high-performance vibrating ball mill and sieving dual-purpose small and lightweight instrument. The vibrating platform with a vibration frequency of 36,000 times/min provides energy.

Manual Lab Pellet Press For Vacuum Box

Manual Lab Pellet Press For Vacuum Box

The lab press for vacuum box is a specialized piece of equipment designed for laboratory use. Its main purpose is to press pills and powders according to specific requirements.

High Purity Boron (B) Sputtering Target / Powder / Wire / Block / Granule

High Purity Boron (B) Sputtering Target / Powder / Wire / Block / Granule

Get affordable Boron (B) materials tailored to your specific lab needs. Our products range from sputtering targets to 3D printing powders, cylinders, particles, and more. Contact us today.


Leave Your Message