The KBR Pellet Press is a hand-operated press used to compress powdered materials into pellets without the need for expensive laboratory presses and pellet dies. It is designed to produce uniform cylindrical pellets with flat ends that can be used for spectrographic analysis. The press system uses hand pressure on a lever attached to a large steel cam to develop compressive force. The anvil which supports the die can be adjusted to produce pellets of any desired thickness, making it ideal for laboratories engaged in pharmaceutical, biological, nutrition and spectrographic operations. The KBR Pellet Press is portable, compact, and requires very little bench space.
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Our KBR PELLET PRESS is an affordable solution for compressing powdered materials into pellet form. It is a compact, hand-operated press that requires very little bench space and no fixed mounting. Our press system provides a steadily increasing mechanical advantage up to a ratio of approximately 50 to 1 at the end of the stroke. Thus, a force of 20 pounds applied to the lever develops approximately 1000 pounds on the press ram. Our KBR PELLET PRESS produces uniform pellets in a polished die and ejects them smoothly into a receiver without incident of contamination. We also offer custom design services to cater to your specific requirements.
Applications of KBR Pellet Press
- Fabricating pellets for laboratories engaged in pharmaceutical, biological, nutrition, and spectrographic operations
- Preparing small samples to be analyzed in an emission spectrometer
- Producing uniform pellets in a polished die and ejecting them smoothly into a receiver without incident of contamination
- Creating cylindrical shaped pellets with flat ends
- Adjusting the amount of pressure applied to a pellet by using the variable anvil setting
- Making duplicate pellets of equal density by using equal amounts of sample and leaving the anvil at a fixed setting while taking the ram through its full stroke when forming each pellet.
Advantages of KBR Pellet Press
- Provides a cost-effective means for compressing powdered materials into pellet form without incurring the cost normally associated with expensive laboratory presses and pellet dies.
- Compact, hand-operated press that can be used anywhere in the laboratory, requiring very little bench space and no fixed mounting.
- Produces uniform pellets in a polished die and ejects them smoothly into a receiver without incident of contamination.
- Ideal for fabricating pellets for laboratories engaged in pharmaceutical, biological, nutrition and spectrographic operations.
- Spectroscopists find this device excellent for preparing small samples to be analyzed in an emission spectrometer.
- Produces cylindrical pellets in a polished die with flat ends.
- Height or thickness of the pellets can be adjusted depending upon the amount of material compressed and the force applied.
- Dies are not fastened down, which makes it easy to quickly reload.
- Anvil can be raised or lowered to produce pellets of any desired thickness using the maximum force of the press.
- Variable anvil setting can be used as a means for adjusting the amount of pressure applied to a pellet.
- Hand-operated press that makes excellent transparent KBr pellets with minimal work.
- Requires virtually no lab space and is portable.
- Ideal for creating small samples that can be analyzed in an emission spectrometer.
- Comes with an affordable price tag compared to other laboratory pellet presses.
FAQ
What is KBr used for?
KBr, or potassium bromide, is commonly used in laboratories as a matrix for infrared spectroscopy. It is mixed with an organic sample and compressed into a pellet using a press like the benchtop KBr Pellet Press. The resulting pellets are used for analysis of the sample's molecular structure and composition. KBr is also used for briquetting inorganic samples for x-ray fluorescence spectroscopy and for pressing thin polymer films using heated platens for transmission sampling by IR spectroscopy. It is an important tool for researchers in the fields of pharmaceuticals, biology, nutrition and spectroscopy.
What is the KBr pellet method?
The KBr pellet method is a technique used in spectroscopy to analyze solids. It involves compressing powdered materials into pellet form using a compact, hand-operated press called the KBr Pellet Press. The resulting pellets are cylindrical in shape and can be of any desired thickness. This method is particularly useful in pharmaceutical, biological, nutrition, and spectrographic operations, and provides advantages such as using less sample than ATR, higher signal-to-noise, and control over signal intensity by changing sample concentration or increasing pathlength. It also offers clear advantages in detecting trace contaminants.
Why KBr is used for pellet?
KBr (potassium bromide) is used for pellet preparation because it is a stable, transparent, and inexpensive salt that is easy to obtain in high purity. When a sample is mixed with KBr powder and compressed into a pellet using a press, it forms a flat, uniform disc with a consistent thickness. KBr pellets are commonly used in spectroscopy applications to analyze solid samples because they provide a clear and reproducible path for infrared light to pass through, which allows for accurate measurements of the sample's chemical composition.
How to make KBr pellets for FTIR?
To make KBr pellets for FTIR, a pellet press die set, pestle and mortar, and IR-transparent medium, such as KBr, are required. The KBr and sample are mixed in a mortar, and the resulting mixture is pressed into a disc using a die set and a hydraulic press. The pellet should be thin, transparent, and contain only a small amount of the sample. The typical ratio of KBr to sample is 100:1. KBr is hygroscopic, so it should be stored in a dry environment and prepared in a glovebox or with a vacuum die to avoid moisture absorption.
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