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                      首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>237S丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

                      丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

                      簡要描述:

                      丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm 醋酸乙烯酯CH3(CH2)3COCH3氣體檢測管237S VINYL ACETATE 在煤礦和石油化工行業(yè),大多存在可燃性易爆氣體、有毒氣體及窒息性氣體,使
                      用檢測管可以快速準(zhǔn)確地檢測空氣中有毒有害氣體。檢測管廣泛用于生產(chǎn)設(shè)備動火前和進(jìn)入密閉設(shè)備前的安全分析;用于檢查生產(chǎn)設(shè)備管道泄漏情況;用于大氣、水質(zhì)等環(huán)境監(jiān)測和工業(yè)設(shè)備廢水污染監(jiān)測;用于各種地質(zhì)勘探和礦山開采中地下溢出的氣體和污染分析;也可在汽車尾氣排放

                      更新時間:2024-12-26

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                      丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

                      丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

                      Tube No.237S

                      1. PERFORMANCE
                      1) Measuring range :10-120 ppm 5-60 ppm
                      Number of pump strokes 1(100ml) 2(200ml)
                      2) Sampling time :1.5 minutes/1 pump stroke
                      3) Detectable limit :1 ppm(200ml)
                      4) Shelf life :2 years
                      5) Operating temperature :0~40℃
                      6) Reading :Direct reading from the scale calibrated by 1 pump stroke
                      7) Colour change :Yellow→Pale blue
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:5% RSD-high:5%
                      3. CHEMICAL REACTION
                      Chromium oxide is reduced.
                      CH3CO2CH=CH2+Cr6++H2SO4→Cr3+
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      100
                      ml
                      ppm
                      GAS To pump
                      DEHUMIDIFIER
                      (White)
                      120
                      100
                      80
                      60
                      40
                      20
                      10
                      237S VINYL ACETATE
                      Substance Interference ppm Coexistence
                      Acetic acid The accuracy of readings is not
                      affected.
                      Ethylene 150 The top of discoloured layer becomes
                      unclear.
                      Alcohols Similar stain is produced. Higher readings are given.
                      Ethers 〃〃
                      A(mlipohrea ttihca hny Cdr3o)carbons tWo hBorloew lany. er is discoloured 〃
                      Aromatic hydrocarbons 〃〃
                      Halogenated hydrocarbons 〃〃
                      Esters 〃〃
                      Ketones 〃〃
                      (NOTE)
                      In case of 2 pump strokes, following formula is available for the actual concentration.
                      Actual concentration=1/2×Reading value

                       
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