Low-Level Oxygenate Detection

Rapid, accurate determination of ethers, alcohols, aldehydes and ketones, present in many hydrocarbon process streams, is a recurring challenge. Even the residual traces of these compounds can inactivate costly, high-yield catalysts commonly used for large-scale polymer production. Unfortunately, todays standard gas chromatography (GC) methods for oxygenate analysis are not suitable for ever decreasing detection limits. While low-ppb oxygenate concentrations can be detected using lab-based gas chromatography-mass spectrometry (GC-MS) instruments, these systems have seen limited deployment due to their size, complexity of design and specialist maintenance required for continuous operation.

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A Ballistic Approach to GC-MS

The G908 oxygenate analyzer integrates the speed and separating power of ballistic gas chromatography with ultra-compact, low maintenance and rugged high pressure mass spectrometer (HPMS). G908 quantifies oxygenates at low-ppb levelsĀ in under 5-minutes using selective ion monitoring (SIM). This significantly increases both selectivity and sensitivity relative to standard GC flame ionization detection.

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