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GC Hall conductivity detector (HECD) measured nitrogen scrubber means and Characterization of the improvement


mm less, so the capacity and selectivity are low. Scrubber after failure with concentrated KOH to wash a few times slug form. Able to return to the performance of heating and drying. 4. Application examples Figure 1 shows the nitrogen compounds and alcohols, acids, esters mixture HECD / FID chromatograms of parallel testing, HECD homes containing ammoniated materials show good selectivity. Figure 2 is a class name of liquor in the house property topiramate Cry 1 in 1995 of the instruments HEcD / FID chromatograms of parallel selective detection. As HECD of N / C selectivity up to 10 '. Trace nitrogen compounds in wine, a large sample volume can be detected, and in the FID detection chromatogram of units adjacent triazine other pastoral properties were overshadowed by the amount of material. JJ, 1i ● Lij'f1JIf'f prince Yu of Taiwan, a nitrogen-containing material with the alcohol, acid, vinegar mixed with Taiwan compounds I [ECD / FID chromatograms of parallel detection of cross-linked lPD t column capillary faint 2dM Gui, 3 × 0 ・ 32ram (i.d-)} BCn chromatographic conditions-3o ℃ (1min) a 22oc (10re {n) I peak, 1 ethanol, propanol 2 B prolyl 3 4 5 pyridine 6-methyl butanol pyridine 7 is adjacent acid, ethanol,[link widoczny dla zalogowanych], ethanol enanthate 8 9 B is the bitterness has been issued 10 alcohol l2 ll acetic acid 13,[link widoczny dla zalogowanych], 14 are being nonanol Shu acid 16 acid 15 is B 17 is ten meat has He; respect l8 are enanthate are myristyl alcohol 19 202.6-dimethyl-morpholine 21 was fourth wow nonane dipped in alcohol 22 23 24 Cao B is palmitic acid Decanoic acid 25 is cetyl alcohol,[link widoczny dla zalogowanych], 26 pairs of nitrobenzene acetic acid IV, Conclusion 1. Home flooded gas control (nitrogen mode) N / C [selectivity of 3.3 × 10 / 1, 700A-type than the scrubber first wife an order of magnitude, capacity 0.26rag (chloroform). Can be matched with the capillary chromatography. 2. Homemade scrubber system through type, with no radial diffusion, Teflon wall of the NH, no adsorption, solid on the peak of this broadening and no effect on carcass dragged. Low noise,[link widoczny dla zalogowanych], only the first wife for the 700A-type HEcD 7 polyester tube to meet the requirements of capillary chromatographic analysis. . * 3. Made simple. Regeneration easy. The application shows that it is a complex mixture of ammonia in capillary chromatography analysis of elements in the ideal selective detector. References 1RjAndersonandRCHal1. AmrLab,[link widoczny dla zalogowanych], 198012 (2): lO82700A type HECD (Tracor company) Manual separation apparatus 1, 1995 -,, I} jLjLLljlIIt prince Yu 2, a white wine in a name fecal arsenic compounds giggle HECD / FID in parallel to avoid the thrust of the picking Kids in the column chromatography Xie changes associated PEG-2OM glance quartz capillary column t38mX0.32mmG. d. ) I chromatographic conditions were a 30 \Improv ~ lscnIbherforDetectionofNitrogenbyGChromatograph state lhHECD ∥ Liang (La small boat. I. [nsd-l Qu C} Mindanao Physics. Hu deleted woman pumping tLanz/mu.730000) Thispaperdescribesan/mproveascrubberusedfordetectingnitrogenbygaschromatographwithHB1Ie] ~ c-trolyticconductivitydetector (} mCD). Thisthroughtypescrubberismadeo {apolytetrafluoroethylenetube. Aglm. Mouth bar e1. Snapped ∞ T paid withBnevenlayerofpotassiumhydroxidecrystalisin ~ ertedinthetube. Themaximumcapacityofthescrubberis0.2Stag (chloroform). Thescrubberreducedthenoisem0. SmVto0.35mVandtacreasedtheselectivityofN / port oneorderofmagnitudewithnodlectonthepeakshapeandwidth.
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