THE sensitivity of an ordinary hydrogen flame ionization detector to hydrocarbons has been found to be two to three times higher when the detector flame ‘whistles’ or ‘sings’. Further investigation of ...

A PROCEDURE has been developed for selectively increasing the responsiveness of a hydrogen flame ionization detector 1 to compounds which contain chlorine, bromine, iodine or phosphorus. The basis of ...

The Trace 1310 is a flexible and reliable gas chromatography system, in this case equipped with Split/Splitless (SSL) inlets and Flame Ionization Detectors suitable for quantitation of most organic ...

Analysts interested in quantifying volatile organic compounds like disinfection byproducts in liquid samples should consider using the gas chromatography system. There are two gas chromatography (GC) ...

This customized Agilent 7890B Gas Chromatography system is equipped with a gas sampling valve at the inlet which is designed for direct gas sample tests. Two detectors, Thermal Conductivity Detector ...

Data for six carrier gases of different thermal conductivities show a linear correlation between the logarithm of thermal conductivity and detector response. Carbon dioxide with a lower thermal ...

A variety of field instrumentation is in wide use today by environmental engineers and consultants. Questions often arise regarding the theory of operation of various types of instruments and what is ...

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Not all smoke detectors are equal, and the type of smoke detector installed in many homes might not sound off in all fires. Smoke alarm manufacturers sell alarms with two types of technology.