KBr press stands for KBr Pellet Press. It is a laboratory hydraulic press used for various pelletizing applications, particularly in spectroscopy operations such as infrared (IR) spectroscopy and x-ray fluorescence (XRF) spectroscopy. The KBr Pellet Press is designed to compress powdered materials, typically a matrix of KBr and an organic sample, into pellet form.
The press exerts a force of about 15 tons to produce uniform cylindrical pellets with flat ends. The height or thickness of the pellets depends on the amount of material compressed and the force applied. The KBr Pellet Press is compact, hand-operated, and does not require fixed mounting. It can be used anywhere in the laboratory, occupying minimal bench space.
The pellets produced by the KBr Pellet Press are of high quality and are used for solid sampling in IR/FTIR/XRF spectroscopy. The press uses a polished die to ensure the pellets are uniform and free from contamination. The die aligns with the press ram and can be easily slipped out for reloading. The press also ejects the pellets smoothly into a receiver.
Besides spectroscopy applications, the KBr Pellet Press is also suitable for laboratories engaged in pharmaceutical, biological, nutrition, and other spectrographic operations. It is particularly useful for preparing small samples to be analyzed in an emission spectrometer.
While hand-operated presses, like the KBr Pellet Press, are portable and require minimal lab space, they may not be suitable for creating samples that need to be stored for future reference. Additionally, they may not be as efficient in evacuating air compared to die sets designed for hydraulic presses. For large-scale production of dry KBr pellets or pellets intended for long-term storage, a hydraulic press is recommended.
In summary, a KBr press refers to a KBr Pellet Press, a laboratory hydraulic press used for compressing powdered materials into high-quality pellets for spectroscopy applications such as IR and XRF spectroscopy.
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