.

DSH122 GC112 Gas Chromatograph

  1. Thenewlydesignedhigh-performanceHRGC.
  2. TheinstrumentequippedwithadualFIDdetector,optionalGC122-TCDthermalconductivitydetector,GC122-ECDelectroncapturedetector,GC122-NPDNitrogenPhosphorusDetector,GC122-FPDflamephotometricdetectorandthereformer,thegassamplingvalveandotheraccessories.
  3. Theinstrumentwithdualpackedcolumn,dualinjector,dualpathsystemstructure,caneffectivelyinhibitthebaselinefluctuationsanddrifttime,suitablefortemperature-programmedanalysis;instrumentcanalsoinstallthreekindsofdetectors,differentapplicationsusingdifferentdetectorcombinations,andcanachievedetectorinseriesandinparallel
  4. Theinstrumentwithfullcapillaryanalysissystem,independentcapillarysplitlessinjectorincludingmembranecleaning,shuntandgasadjustmentOptionalcapillarysplit/splitlessinjector,coldon-columninjector,0.53mmdiametercapillarydirectinjector.Adaptedtoglass,quartzglassandothertypesofflexibledifferentcalibers,specifications,andthelengthofthecapillarycolumn
  5. Theinstrumentwithavarietywaysofsamplingasfollowing;packedcolumn:on-columninjection,theinstantaneousvaporizationinjection,gasinjection.Capillarycolumn:splitinjection,splitless,largediametercapillarycolumndirectinjection.
  6. Thenewlydevelopedmicrocomputertemperaturecontrolsystem.Cansimultaneouslyheattheoven,ionizationchamber,thermalconductivitydetector,capillaryinjector,packedcolumninjector,auxiliary(standby)heatingzonesofhighprecisionforsix-way(betterthan±0.1℃)overawiderange(upto400℃)temperaturecontrol,temperatureovershootandthedeviationislessthan2℃orlower.
  7. Theovencanbeprogrammedtocontrol5gradetemperature,themaximumheatingrateupto40℃/min.
  8. Thesystemhasapowercutoffprotection,temperaturelimitset,thetemperaturescan,fastautomaticcoolingandopenthedoorandotherfunctions.
  9. OpenmicrocomputertemperaturecontrolsystemoptionalRS232communicationboardandFJ-2000chromatographyworkstation,chromatographyworkstationandinstrumentstoachievetwo-waycommunicationbetweenthecontrolanddataprocessing.
  10. Fullstainlesssteellargecapacityoven(350mm×280mm×300mm)canbeinstalledanddualcapillarycolumnpacked;concealedheatingwirestructure,moreconduciveforsilicacapillarycolumnanalysis.

  1. Temperaturecontrol:

Temperaturerange:roomtemperatureon7℃~400℃(incrementsof1℃)

TemperatureObject:columnoven,ionizationchamber,thermalconductivity,injectorA,injectorB,auxiliary(standby)

Programmingphase:fivesteps

Programmingrate:0.1℃~40℃/min(incrementsof0.1℃)

  1. Flameionizationdetector(FID):

DetectionLimit:DFID≤1×10-11g/s(sample:C16)

Bestresults:DFID≤5×10-12g/s

Baselinenoise:≤5×10-14A

Baselinedrift:≤6×10-13A/h

Linearrange:≥106



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