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Difference between revisions of "Surface Area Analyzers"
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[[File:Surface Area Analyzers.jpg|thumb|right|Surface Area Analyzers]] | |||
[[File:Surface Area Analyzers1.jpg|thumb|right|Surface Area Analyzers]] | |||
'''Surface Area Analyzers''' rapidly and reliably produces accurate and repeatable surface area and porosity results.It offers a simple, fast, and reliable technique for external surface area measurement - a measurement not readily achieved by static nitrogen adsorption (BET) methods. | |||
The surface area analyzer's innovative use of flow permeametry combined with its sophisticated self-adjusting viscous-flow controller enables testing of a wide range of powders and other samples, including materials with surface areas of only several square meters per gram. | |||
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==Principles of Operation== | |||
The surface area analyzer operates on the principle of flow permeametry. By measuring the flow of nitrogen (or any noncorrosive gas) through a sample at various differential pressures, one is able to deduct, through a series of equations, the external surface area of the sample. | |||
==Features== | |||
* Uses nitrogen or other noncorrosive gases; no expensive gas mixtures required | |||
* Windows-based software handles all control, measurement, data collection, and report generation; manual control also possible | |||
* Compatible with Windows 95 or higher | |||
* Real-time graphical test display depicts testing status and results throughout operation | |||
* Nondestructive testing | |||
* Length of test approximately 5 minutes | |||
* Wide range of acceptable sample types and sizes | |||
* Minimal maintenance required | |||