Aspectrics Introduces Application Note for Analysis of HydroCarbon Gases

Date Posted: Thursday, September 14, 2006

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Aspectrics, Inc. has introduced an application for the analysis of various hydrocarbon gases using its MultiComponent analyzer.

This application note demonstrates how the EP-IR MultiComponent Analyzer is able to conduct simultaneous quantitative analysis of several hydrocarbon gases (C1-C4) in a mixture at parts-per-billion (ppb) level concentrations.

Designed to respond to scientists’ needs in petrochemical, chemical, environmental and process laboratories, this application note can be downloaded free-of-charge from the website

One of the features of Aspectrics’ analyzer is the speed of data collection: 1 full spectrum every 10 milli-second.

Such scanning speed can translate into applications such as ultra-fast kinetics, parts-per-million (ppm) level quantitative analysis in 5 seconds, or, as demonstrated in this application note, measurement of parts-per-billion (ppb) levels of hydrocarbon compounds (methane [CH3], ethane [C2H6], propane [C3H8] and butane [C4H10]) and carbon monoxide [CO].with integration times of only 1-5 minutes.

Traditionally, Infrared wavelength generation devices, such as the Non Dispersive Infrared (NDIR) and Fourier Transform Infrared (FTIR) spectrometers, are limited either in the simultaneous characterization of more than one chemical compound, or by a lack of ruggedness, respectively.

In contrast, Aspectrics MultiComponent EP-IR spectrometer, recently named by R&D; Magazine as one of the Top 100 most technologically significant products introduced into the marketplace over the past year, is not only capable of resolving several chemical compounds even if they share a similar chemical composition (and subsequent spectroscopic features), but also is cost-effective both in field implementation and ownership due to its NDIR-like ruggedness.

The EP-IR MultiComponent Analyzer contains patented encoder disk technology that is designed to enable the encoding of full spectral information 100 times per second, resulting in 10 milli-second true refresh rate of the chemical information.

Moreover, on-board processors allow users to monitor processes in real time, even as often as 100 times per second.

Aspectrics quantitative analysis software enables real-time characterization of multiple chemicals in process streams.

The software also communicates analytical results and instrument health information to central network locations, and facilitates full automation of calibration and calibration maintenance in production mode.

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