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                    1. 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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                      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>157SA溴甲烷CH3Br氣體檢測(cè)管157SA METHYL BROMIDE 10-500ppm

                      溴甲烷CH3Br氣體檢測(cè)管157SA METHYL BROMIDE 10-500ppm

                      簡(jiǎn)要描述:

                      溴甲烷CH3Br氣體檢測(cè)管157SA METHYL BROMIDE 10-500ppm 溴甲烷CH3Br 英文名稱 bromomethane;methyl bromide 又稱溴代甲烷或甲基溴,甲基溴,又稱溴代甲烷或甲基溴,是一種無色無味的液體。它具有強(qiáng)烈的熏蒸作用,能高效、廣譜地殺滅各種有害生物。溴甲烷; 甲基溴; Bromomethane; Methylbromide; Monobromomethane; CAS:74-83-9

                      更新時(shí)間:2024-12-26

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                      溴甲烷CH3Br氣體檢測(cè)管157SA METHYL BROMIDE 10-500ppm

                      溴甲烷CH3Br氣體檢測(cè)管157SA METHYL BROMIDE 10-500ppm

                      1. PERFORMANCE
                      1) Measuring range :10-500ppm
                      Number of pump strokes 1(100ml)
                      2) Sampling time :2 minutes/1 pump stroke
                      3) Detectable limit :1 ppm
                      4) Shelf life :3 years(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→Reddish orange
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:15% RSD-mid.:10% RSD-high:10%
                      3. CHEMICAL REACTION
                      By decomposing with an Oxidizer, Bromine is produced. Bromine reacts with o-Toluidine and red Orthoquinone
                      is produced.
                      CH3Br+I(xiàn)2O5+CrO3+H2SO4→Br2
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      10
                      30
                      50
                      100
                      150
                      200
                      300
                      400
                      500
                      ppm
                      100ml
                      GAS To pump
                      (Brown) (White)
                      PRETREAT TUBE DETECTOR TUBE
                      Tube No.
                      157SA METHYL BROMIDE
                      Substance ppm Interference ppm Coexistence
                      Chlorine 1 Similar stain is produced. 1 Higher readings are given.
                      Bromine 1 〃1 〃
                      Nitrogen dioxide 1 〃1 〃
                      Dichloromethane 500 〃500 〃
                      Chloroform 50 〃50 〃
                      Ethylene dibromide 50 〃50 〃
                      Trichloroethylene 50 〃50 〃
                      Tetrachloroethylene 50 〃50 〃
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃ 5℃ 10℃ 15℃ 20℃ 30℃ 40℃
                      (ppm) (32°F) (41°F) (50°F) (59°F) (68°F) (86°F) (104°F)
                      500 - - - 620 500 430 390
                      400 - - 630 475 400 360 325
                      300 - 675 430 345 300 280 260
                      200 580 320 235 210 200 190 175
                      150 260 185 160 150 150 140 130
                      100 120 110 100 100 100 95 90
                      50 50 50 50 50 50 50 50

                      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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