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Ion mobility spectrometry (IMS) is a technique commonly used for trace detection of hazardous chemicals. The inlet of an IMS typically utilizes a membrane made of generic polymers such as polydimethylsiloxane or polyvinylidene fluoride. These membranes are designed to allow analytes through but protect the detector from dust and keep a controlled relative humidity and pressure. IMS signals can be...
Microfabricated portable gas analyzers with high sensitivity and selectivity offer utility in a variety of critical applications including aviation security, food safety and toxic industrial waste monitoring. An integral component of such analyzers is the gas chromatographic (GC) column which is used for separations of an injected mixture based on the relative sorption of the various analytes in the...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.