ResourceSpectroscopy

Comparing Pharmaceuticals as 7mm & 13mm KBr Pellets

24 Apr 2017

IR spectroscopy is a well-established technique to identify and distinguish samples in the gas, solid and liquid phases. This paper compares the IR spectra of 7 mm and 13 mm diameter pellets of three pharmaceutical samples.

Mini-Pellet Press

Specac Ltd

The Specac Mini-Pellet Press is an entry-level laboratory hydraulic press for the preparation of high-quality 7mm KBr pellets for transmission FTIR analysis. With a rugged and durable design, this press is intended for regular laboratory use with maintenance-free operation. Specac’s Mini-Pellet Press is designed to be used on a laboratory benchtop, but is small in size and light enough in weight to allow it to be moved to different points of use or stored when not required. Full hydraulic operation, and an innovative sealed hydraulic unit, allows the user to apply the required load for sample preparation through the simple rotation of a load knob. Reproducible load for pressing high-quality KBr pellets suitable for quantitative studies is facilitated by use of integrated pressure gauge. The Specac Mini-Pellet Press is also available as part of a Basic Solid Pack. This pack is equipped with a range of sample preparation components necessary for FTIR solid sample analysis by transmission, including the Mini-Pellet Press, a 7mm Pellet Die Assembly, 7mm Disc Holder for a standard 3” by 2” mount, a pair of spare Pellet Ring Holders, a Pestle and Mortar, and KBr Powder (50g).

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Atlas™ Manual Hydraulic Press

Specac Ltd

The Specac Manual Hydraulic Press is available in 15 and 25 ton load configurations for a wide variety of laboratory pressing applications. It is ideally suited to the manufacture of KBr pellets for FTIR spectroscopy as well as sample pellets and targets for other spectroscopic techniques such as XRF, Terahertz, and laser ablation spectroscopy.

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Comparing Pharmaceuticals as 7mm & 13mm KBr Pellets