• haohan环境空气和废气 甲醇的测定5%Carbowax20M Carbopack B填充柱2m*3mm

    详细信息

     品牌:haohan  型号:2m*3mm  加工定制:是  
     规格:2m*3mm  长度:2000  内径:2.1  
     膜厚:2.0  2m*3mm:环境空气和废气  甲醇:氯乙烯  
     乙醛:苯系物  碳氢化合物:分子筛  3%Dexil-300/Chromosorb W AW D:非甲烷总烃  
    《GB/T 16157 固定污染源排气中颗粒物测定与气态污染物采样方法》、《GB 16297 大气污染物综合排放标准》、《HJ/T 55 大气污染物无组织排放监测技术导则》、《HJ 194 环境空气质量手工监测技术规范》、《HJ/T 397 固定源废气监测技术规范》、《HJ 664 环境空气质量监测点位布设技术规范》。

    醇被水吸收后,在酸性条件下,被高锰酸钾氧化成甲醛,再与变色酸反应生成紫色化合物。该化合物的吸光度与甲醇的含量成正比,在570 nm波长处测量该紫色化合物吸光度,根据吸光度计算甲醇的含量。此法操作复杂,费时费力,效率低下,无法满足大量检测的需求,使用受限。
     

    浩瀚色谱(山东)应用技术开发有限公司,,固定污染源废气中的甲醇测定色谱柱 /采用蒸馏水为吸收液,吸收固定污染源废气中的甲醇,在气相色谱仪上顶空进样,经毛细管柱分离,以FID为检测器,

    可以准确地测出固定污染源废气中的甲醇,以保留时间定性,峰高定量。


    名称:甲醇专用填充柱
    型号:5%Carbowax20M  Carbopack B
    规格:2m*3mm,80-120目

    应用:HJ-T 33-1999 固定污染源排气中甲醇的测定 气相色谱法

     

    适用于:

    安捷伦490在线/便携,4890,5890,6890,7820,7890,8860,8890

    岛津GC-14C,GC-2010,GC-2014,GC-2030

    赛默飞1310,1300,1610,1600

    瓦里安3800系列

    布鲁克PE580,590,680,690

    磐诺A90,福立GC9790,华爱,天瑞,天美,GC7900,川仪,北分瑞利,东西电子,鲁南瑞虹,捷岛/科晓

     


    GB/T 16157 Determination of particulate matter and sampling methods for gaseous pollutants in exhaust from fixed sources, GB 16297 Comprehensive emission standards for air pollutants, HJ/T 55 Technical guidelines for monitoring unorganized emissions of air pollutants, HJ 194 Technical specifications for manual monitoring of ambient air quality, HJ/T 397 Technical specifications for monitoring fixed source exhaust gas, and HJ 664 Technical specifications for the layout of environmental air quality monitoring points.



    After being absorbed by water, alcohol is oxidized to formaldehyde by potassium permanganate under acidic conditions, and then reacts with chromogenic acid to produce a purple compound. The absorbance of the compound is proportional to the content of methanol. Measure the absorbance of the purple compound at a wavelength of 570 nm and calculate the content of methanol based on the absorbance. This method is complex to operate, time-consuming, labor-intensive, inefficient, and cannot meet the needs of large-scale detection, limiting its use.



    Haohan Chromatography (Shandong) Application Technology Development Co., Ltd., a chromatographic column for the determination of methanol in fixed pollution source exhaust gas. Distilled water is used as the absorbent to absorb methanol in fixed pollution source exhaust gas. The sample is injected into the headspace of the gas chromatograph and separated by a capillary column using FID as the detector,



    It can accurately measure methanol in the exhaust gas of fixed pollution sources, with qualitative retention time and quantitative peak height.




    Name: Methanol specific packed column

    Model: 5% Carbowax20M Carbopack B

    Specification: 2m * 3mm, 80-120 mesh



    Application: HJ-T 33-1999 Determination of Methanol in Fixed Source Exhaust Gas Gas Chromatography Method





    Applicable to:



    Agilent 490 online/portable, 48905890689088608890



    Shimadzu GC-14C, GC-2010, GC-2014, GC-2030



    Thermo Fisher Scientific 1310130016101600



    Varian 3800 Series



    Brooke PE580590680690



    Panno A90, Fuli GC9790, Huaai, Tianrui, Tianmei, GC7900, Chuanyi, Beifen Ruili, Dongxi Electronics, Lunan Ruihong, Jiedao/Kexiao

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