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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>183U甲酚C6H4(CH3)(OH)氣體檢測管183U CRESOL 0.5-25.0ppm

                      甲酚C6H4(CH3)(OH)氣體檢測管183U CRESOL 0.5-25.0ppm

                      簡要描述:

                      甲酚C6H4(CH3)(OH)氣體檢測管183U CRESOL 0.5-25.0ppm,便攜式臭氧檢測系統(tǒng):在不用任何能源、電源的情況下,1分鐘內(nèi)即可快速檢測出環(huán)境中的臭氧濃度,具有操作簡單、攜帶方便等特點(diǎn)。包括:臭氧氣體檢測管(檢測范圍:4-400ppm)、手動采樣器、5米延長采樣管、便攜式儀器箱

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

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                      甲酚C6H4(CH3)(OH)氣體檢測管183U CRESOL 0.5-25.0ppm

                      甲酚C6H4(CH3)(OH)氣體檢測管183U CRESOL 0.5-25.0ppm

                      1. PERFORMANCE
                      1) Measuring range :0.5-25.0 ppm
                      Number of pump strokes 2(200ml)
                      2) Sampling time :3 minutes/2 pump strokes
                      3) Detectable limit :0.3 ppm
                      4) Shelf life :2 years
                      5) Operating temperature :10~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 2 pump strokes
                      8) Colour change :Pale yellow→Pale brown
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:5% RSD-high:5%
                      3. CHEMICAL REACTION
                      Cresol is oxidized and the polymer is produced.
                      CH3C6H4OH+Ce4+→CH3C6H4O→(CH3C6H4O)n
                      4. CALIBRATION OF THE TUBE
                      ABSORPTIOMETRIC METHOD
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      25.0
                      20.0
                      15.0
                      10.0
                      5.0
                      3.0
                      1.0
                      0.5
                      ppm

                      INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      25.0
                      20.0
                      15.0
                      10.0
                      5.0
                      3.0
                      1.0
                      0.5
                      ppm
                      ????
                      ????
                      ????
                      ????
                      ????
                      ????
                      Tube No.
                      183U CRESOL
                      88
                      Substance Interference ppm Coexistence
                      Phenols FIG.1 Similar stain is produced. 2.5 Higher readings are given.
                      Ammonia White stain is produced. 200 Discolouration of gas inlet side is
                      FIG.2 faded and higher reading are given.
                      Aliphatic amines 〃50 〃
                      Two layers discolouration of Pale
                      Aromatic amines Blue stain is produced. 50 brown and blue are produced and
                      higher reading are given.
                      (NOTE)
                      This tube scale is calibrated based on Phenol and the same scale is available for Cresol.
                      0
                      5
                      15
                      10
                      Phenol〔ppm〕?
                      FIG.1 Influence of Phenol
                      Cresol indicating value 〔ppm〕
                      5 0
                      5
                      15
                      10
                      Ammonia〔ppm〕?
                      FIG.2 Influence of Ammonia

                      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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