Emerald Group Publishing Limited
Copyright © 2008, Emerald Group Publishing Limited
Density calculations on small amounts of sample
Article Type: Methods From: Anti-Corrosion Methods and Materials, Volume 55, Issue 2.
For those who have a need to analyse a very limited amount of material, Micromeritics's new AccuPyc II 1340 1cm3 gas displacement pycnometer performs fully automatic, high-speed, high-precision volume measurements and density calculations on a wide variety of powders and solids. A novel manifold design utilises high-reliability, high-precision valves that seal more securely so that small leaks do not contribute to variability of results. High- compression, minimum-volume seals around the pressure transducer minimise helium storage and leakage. This shortens the time to complete a run cycle and practically eliminates the development of temperature gradients that would otherwise compromise results.
The AccuPyc II 1340 1cm3 also features an ultra-low noise transducer amplifier that results in faster equilibration. The instrument can be operated with a keypad or an optional windows interface that provides exceptional reporting and archiving capability. Both versions include direct sample mass input from a balance and cycle-based displacement volume reporting. The Windows interface also includes time-based pressure equilibration, percent solids content, and total pore volume reports. For those who require high throughput, an integrated control and analysis module can control up to five additional external analysis modules of the same or different volume capacities. A glove box model is also available for analyses in applications where the control module and analysis module must be in separate environments.
For further information, please visit the web site: www.micromeritics.com