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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>169S氯丁二烯二CH2=CClCH=CH2氣體檢測(cè)管,169S CHLOROPRENE 0.5-20ppm

                      氯丁二烯二CH2=CClCH=CH2氣體檢測(cè)管,169S CHLOROPRENE 0.5-20ppm

                      簡(jiǎn)要描述:

                      氯丁二烯CH2=CClCH=CH2氣體檢測(cè)管,169S CHLOROPRENE 0.5-20ppm,2-氯丁二烯,臭氧屬于有害氣體,濃度為6.25×10 -6 mol/L(0.3mg/m3 ) 時(shí),對(duì)眼、鼻、喉有刺激的感覺(jué);濃度 (6.25-62.5)×10 -5mol/L(3 ~ 30mg/m3 ) 時(shí),出現(xiàn)頭疼及呼吸器官局部麻痹等癥 ; 臭氧濃度為 3.125×10 -4 ~ 1.25×10-3 mol/L(15 ~ 60mg/m 3 ) 時(shí) , 則對(duì)人體有危害。

                      更新時(shí)間:2025-01-01

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                      氯丁二烯二CH2=CClCH=CH2氣體檢測(cè)管,169S CHLOROPRENE 0.5-20ppm

                      2-氯丁二烯CH2=CClCH=CH2氣體檢測(cè)管,169S CHLOROPRENE 0.5-20ppm

                      1. PERFORMANCE
                      1) Measuring range :1-20 ppm 0.5-10 ppm
                      Number of pump strokes 1(100ml) 2(200ml)
                      2) Sampling time :3 minutes/2 pump strokes
                      3) Detectable limit :0.01 ppm(200ml)
                      4) Shelf life :3 years
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(20-40℃)(See"TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 2 pump strokes
                      8) Colour change :Greenish yellow→Pink
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:10%
                      3. CHEMICAL REACTION
                      By reacting with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
                      CH2=CCICH=CH2+CrO3+H2SO4→HCI
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      DETECTOR TUBE
                      (White)
                      (Orange)
                      PRETREAT TUBE
                      10
                      8
                      6
                      4
                      2
                      1
                      0.5
                      ppm
                      DEHUMIDIFIER
                      Tube No.
                      169S CHLOROPRENE
                      87
                      Substance Interference ppm Coexistence
                      Acetylene The accuracy of readings is not affected. 1% Lower readings are given.
                      Ethylene 〃〃
                      Hydrogen chloride 1,000 Higher readings are given.
                      Chlorine Similar stain is produced. 〃
                      Vinyl chlorine 〃〃
                      (NOTE)
                      In case of 1 pump stroke, following formula is available for the actual concentration.
                      Actual concentration=2×Temperature corrected value.
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃-10℃ 30℃ 35℃ 40℃
                      (ppm) (32-50°F) (86°F) (95°F) (104°F)
                      16.0 16.0 14.3 13.6 12.1
                      14.0 14.0 12.6 11.9 10.6
                      12.0 12.0 11.1 10.5 9.3
                      10.0 10.0 9.5 9.0 8.0
                      8.0 8.0 7.6 7.2 6.4
                      6.0 6.0 5.8 5.4 4.8
                      4.0 4.0 3.8 3.5 3.1
                      2.0 2.0 1.9 1.8 1.5
                      1.0 1.0 1.0 0.9 0.8
                      0.5 0.5 0.5 0.45 0.4

                      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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