TsibirinGC1690Sulfur hexafluoride (SF6(Gas chromatography gabatarwa:

Sunan samfurin: Gas chromatography

Model lambar: sulfur hexafluoride (SF6) Gas chromatography

masana'antu: Jiejiang

Sulfur hexafluoride (SF6(A matsayin wani irin tracking gas, yadu ake amfani da shi a cikin iska filin matsin lamba hana wuta fasahar gano iska yankin ko wuta yankin leakage iska tashar, da yawan leakage iska da kuma ƙayyade wuta tushen wuri a cikin wuta yankin da sauransu. Gas da ke nunawaSF6Binciken, galibi ta amfani da chromatography, zaɓar mai ganowa tare da lantarki kama (ECD) da chromatograph kammala gwaji, mun zabi1690EGas chromatography gwajin. Ka'idar: Mai gano kama lantarki shine nau'in mai gano mai ƙwarewa mai ƙwarewa, saboda siginar da ke samarwa ne kawai ga abubuwan da ke da lantarki mara kyau (yana nufin yiwuwar kwayoyin halitta ko kwayoyin halitta na kama lantarki don samar da ƙwayoyin halitta), yana dacewa don nazarin abubuwan da ke ƙunshe da kwayoyin halitta da kuma ƙunshe daO、S、N、PKamar yadda atomic abubuwa, hankali ya karu tare da karfafa electronegativity na abubuwa, saboda haka ana amfani da su sosai a cikin nazarin polyhalogen, polysulfur compounds.

I. TsibirinGC1690Sulfur hexafluoride (SF6(Gas chromatography gwaji yanayi:

1Kayan aiki:GC1690Gas Chromatography Mai bincike (ciki har daECDMai ganowa)
2Gwajin samfurin gas:SF6Daidaitaccen Gas499ppm(Shanghai)
3, Mai ɗaukar gas: High tsabtaceN2（99.999%）
4Chromatography Tashar aiki (N2000）

II. TsibirinGC1690Sulfur hexafluoride (SF6) Gas chromatography gwaji matakai

1Shirya daidaitaccen gas
SF6Daidaitaccen GasSF6Sampling yawan gas Girman bayan da air conditioning
499ppm 0.1mL 100mL
4.99ppm 1mL 100mL
Latsa teburin da ke sama daidai don fitar da wani adadi na high mayar da hankaliSF6Standard gas, sanye da iska a daban allura100mLa cikin allura, Shirya don da ake so concentrationSF6Kuma hada daidai.
2, kayan aiki yanayi
Tsarin Chromatography:5AMolecular siffa ginshike φ3mm×0.5mm×1m；
Column zafin jiki:30-40℃； Steam Room zazzabi:100℃；
Mai ganowa Temperature:100℃； Sensitivity: Babban
Mai ɗaukar gas: Nitrogen (99.999%）
gudun gudun:20-40mL/min; yawan samfurin:0.1mL
2.1 Zaɓin Chromatography
Saboda mai gano kama lantarki yana samar da sigina ne kawai ga abubuwan da ke da ikon kama lantarki,SF6Yana da karfi electronegative zui abu, a ainihin samfurin, kawai oxygen a cikin iska yana da karfi electronegativity, tasiriSF6kai tsaye ma'auni, saboda haka zaɓi5Azui ne ideal saboda5Akwayoyin siffa adsorptionO2Ikon fiye da adsorptionSF6Strong ikon, wato, a cikin halinO2daSF6Bayan ta hanyar chromatography ginshiƙi, absorbing iya rauni bangareSF6Da farko ya gudana da kyau Spectrum column yayin daO2Sa'an nan kuma bayan gudana da m chromatic ginshiƙi, don haka kauce wa manyanO2Peak rufe low mayar da hankaliSF6Summit, sa inganci da ƙididdiga sauki, inganta analytical hankali.
2.2 Zaɓin gas gudun gudun
Girman da kwanciyar hankali na gas gudun tafiya yana da babban tasiri a kan bincike, Flow gudun range yawanci zaɓi a20~40mL/minAmmaECDDon mayar da hankali nau'in detector, da ganowa da amsa darajar daidai da mayar da hankali na abubuwa a cikin mai ɗaukar gas, ba a tasiri da canje-canje na mai ɗaukar gas gudun, amma tasiri da riƙewa lokaci, lokacin da gudun ya fi sauri, riƙewa lokaci na gajeren lokaci, saboda mu yanzu zaɓi madaidaicin akwatin zafin jiki ne30℃, don haka a lokacin da dakin zafin jiki ne mafi girma,30℃ ba lallai ne za a iya riƙe, bukatar ƙara madaidaicin zafin jiki zuwa40-50A lokacin da ℃, za a iya daidaita gudun gudun, sa gudun gudun jinkiri, kiyaye kyakkyawan rabuwa.
2.3 Sakamakon bincike
A lokacin daSF6Lokacin da mafi girma concentration,SF6The samar da siginar ne mai girma da za a rufeO2tsaunukan, don haka499ppmdagaSF6Gas-calibrated chromatography a tsakiyarSF6tsaunukanO2An rufe wani ɓangare, kamar ba a raba shi ba.

Peak tsayi, maimaitawa na peak yankin, duba tebur na ƙasa:

Peak tsayi, maimaitawa na peak yankin, duba tebur na ƙasa:

Ana iya samun sakamakon binciken da ke sama, daidaito na bincike yana da kyau, maimaitawa a1%A cikin, sakamakon bincike yana da babban aminci.
2.4 Binciken zui kananan ganowa matattarar bisa ga lissafi, zui kananan ganowa matattarar ne:5.0×10-11watau50ppt.

III. TsibirinGC1690Sulfur hexafluoride (SF6(Gas chromatography sakamakon tattaunawa da fasaha sigogi:

3.1 Chromatography aiki yanayi:5Akwayoyin siffa, tsawon ginshika1mciki diamita φ2mm, raguwa:1; Mai ɗaukar gas: nitrogen mai tsabta; gudun gudun:40mL/min; yawan samfurin:0.1ml
3.2 Ta hanyar lissafi mu kayan aiki nau'iSF6The zui karamin ganowa mayar da hankali ya kai5.0×10-11Yana biyan bukatun aikace-aikacen ma'adinai na kwal.

Kayan aiki Saituna

kayan aiki:GC1690EGas chromatography (ciki har daECDMai ganowa)

Gwajin samfurin gas:SF6Daidaitaccen Gas499ppm(Shanghai)

Mai ɗaukar gas: Babban tsarkiN2（99.999%）

Chromatography Tashar aikiN2000）