WebThe alkah flame-ionisation detector (AFID), sometimes called a thermionic (TID) or nitrogen—phosphoms detector (NPD), has as its basis the fact that a phosphoms- or … WebAs there are fungicides that have S and/or P atoms, the flame photometric detector (FPD) is also useful. Confirmation of identity can be obtained using two columns, one a 5% phenyl 95% methylsilicone bonded-phase column coupled to ECD and NPD and the other a 50% phenyl 50% methylsilicone column coupled to ECD and FPD.
气相色谱法测定大气中的苯系物_百度文库
The nitrogen–phosphorus detector (NPD) is also known as thermionic specific detector (TSD) is a detector commonly used with gas chromatography, in which thermal energy is used to ionize an analyte. It is a type of flame thermionic detector (FTD), the other being the alkali flame-ionization … See more A concentration of hydrogen gas is used such that it is just below the minimum required for ignition. A rubidium or cesium bead, which is mounted over the nozzle, ignites the hydrogen (by acting catalytically), and … See more • Gas chromatography See more WebThe present invention relates to a modified-flame thermionic detector for gas chromatographs, of the type including, in a way known in itself, a burner nozzle fed with … ipoh hawker perth
Multidetector systems in gas chromatography - ScienceDirect
WebFlame Thermionic Detectors (FTD) The FTD is a selective, high-sensitivity detector for organic nitrogen compounds and inorganic and organic phosphorus compounds. (The selectivity of the FTD for phosphorus … WebFlame Thermionic Detector This specialized capillary-type detector employs the FTD-2010 mechanism. Used for analysis of organic nitrogen compounds and organic phosphorus … WebInstrumental analysis A Gas Chromatograph (GC-2010 Shimadzu) coupled to Flame Thermionic Detector (FTD) was used for the quantification of selected organophosphorus pesticides (acephate, malathion, diazinon, chlorpyrifos, quinalphos, fenitrothion, and … orbit walmart