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                      首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>166S1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

                      1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

                      簡(jiǎn)要描述:

                      1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE 1-50ppm 二溴乙烷檢測(cè)管Ethylene dibromide 1-50ppm,檢測(cè)試劑是通過(guò)在硅膠或氧化鋁等物質(zhì)表面附著顯色試劑的方法制成的。顯色試劑遇到被檢測(cè)氣體時(shí)會(huì)發(fā)生特定的反應(yīng),而且這種檢測(cè)試劑具有相當(dāng)?shù)姆€(wěn)定性。

                      更新時(shí)間:2024-12-25

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                      1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

                      1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

                      Tube 66S
                      1. PERFORMANCE
                      1) Measuring range :1-50 ppm
                      Number of pump strokes :1(100ml)
                      2) Sampling time :1.5 minutes/1 pump stroke
                      3) Detectable limit :0.2 ppm
                      4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 1 pump stroke
                      8) Colour change :White→Yellow
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:10%
                      3. CHEMICAL REACTION
                      Bromine is produced by an Oxidizer. By reacting between this Bromine and o-Toluidine, Orthoquinone is produced
                      BrCH2CH2Br+I(xiàn)2O4+CrO3+H2SO4→Br2
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      DETECTOR TUBE
                      (Olive) (White)
                      (Orange)
                      PRETREAT TUBE
                      PRETREAT REAGENT
                      50
                      40
                      30
                      30
                      10
                      5
                      1
                      ppm
                      100ml
                      166S ETHYLENE DIBROMIDE
                      Substance Interference ppm Coexistence
                      Halogens Similar stain is produced. Higher readings are given.
                      Halogenated hydrocarbons 〃〃
                      Hexane FIG.1 aTfhfeec atecdc.uracy of readings is not 200 Lower readings are given.
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃
                      (ppm) (50°F) (59°F) (68°F) (77°F) (80°F) (95°F)
                      50 - - 82 50 42 39
                      40 - 80 58 40 35 33
                      30 98 56 40 30 27 26
                      20 50 40 30 20 18 18
                      10 16 14 12 10 10 10
                      5 7 7 6 5 5 5
                      1 1 1 1 1 1 1
                      0
                      50
                      60
                      70
                      80
                      40
                      30
                      20
                      10
                      Hexane〔ppm〕?
                      FIG.1 Influence of Hexane
                      Ethylene Dibromide indicating value 〔ppm〕
                      100 200 300 400 500 600 700

                      韩国三级大全久久网站_色噜噜一区二区三区_高清欧美性猛交xxxx黑人猛_激情五月开心婷婷_来一水AV@lysav
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