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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>122SA環(huán)氧乙烷CH2CH2O氣體檢測管122SA ETHYLENE OXIDE 0.01-4%

                      環(huán)氧乙烷CH2CH2O氣體檢測管122SA ETHYLENE OXIDE 0.01-4%

                      簡要描述:

                      環(huán)氧乙烷CH2CH2O氣體檢測管122SA ETHYLENE OXIDE 0.01-4%,檢測管可用于交通:電車、飛機、船舶、公共汽車或長途車等,醫(yī)療機構(gòu):醫(yī)院、診療所、保健所等,事務(wù)所:辦公室、會議室、大廳、演藝室等,學(xué)校:實驗室、教室的空氣污染等,公共場所:電影院、劇場、商場、飯店和酒店等,體育與休閑:游泳池、訓(xùn)練場、室內(nèi)體育設(shè)施等,針對突發(fā)公共衛(wèi)生事件應(yīng)急監(jiān)測推出的氣體應(yīng)急檢測箱等

                      更新時間:2024-12-25

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                      環(huán)氧乙烷CH2CH2O氣體檢測管122SA ETHYLENE OXIDE 0.01-4%

                      環(huán)氧乙烷CH2CH2O氣體檢測管122SA ETHYLENE OXIDE 0.01-4%

                      Tube 22SA

                      1. PERFORMANCE
                      1) Measuring range :1.0-4.0% 0.01-1.8%
                      Number of pump strokes :1/2(50ml) 1(100ml)
                      2) Sampling time :1.5 minutes/1 pump stroke
                      3) Detectable limit :50 ppm
                      4) Shelf life :3 years
                      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 :Orange→Dark brown
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:5% RSD-high:5%
                      3. CHEMICAL REACTION
                      Potassium dichomate is reduced.
                      CH2CH2O+Cr6++H2SO4→Cr3+
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      ????
                      (White)
                      DEHUMIDIFIER
                      GAS To pump
                      1.8
                      1.6
                      1.4
                      1.2
                      1.0
                      0.8
                      0.6
                      0.4
                      0.2
                      0.1
                      0.01
                      %
                      122SA ETHYLENE OXIDE
                      Substance Interference ppm Coexistence
                      Alcohols FIG.1 Similar stain is produced. Higher readings are given.
                      Esters FIG.2 〃〃
                      Ketones 〃〃
                      Aromatic hydrocarbons 〃〃
                      Halogenated hydrocarbons WPahleo leb rroewang.ent is discoloured to 0.5% 〃
                      Ethanol is indicated with half the sensitivity, Ethyl acetate has the same sensitivity with Ethylene oxide.
                      (NOTE)
                      1)If the discolouration exceeds the scale, replace the tube with new one and pull the handle at half stroke(to 50mr
                      line). And read the concentration.
                      2)Correct the reading value with the temperature correction table first, and convert the value into an actual
                      concentration by using the conversion scale shown in the instruction sheet.
                      0
                      2.0
                      1.5
                      1.0
                      0.5
                      Methanol〔%〕?
                      FIG.1 Influence of Methanol
                      Ethylene oxide indicating value 〔%〕
                      0.2 0.4 0.6
                      Coexistence
                      Interference
                      0
                      2.0
                      1.5
                      1.0
                      0.5
                      Ethyl acetate〔%〕?
                      FIG.2 Influence of Ethyl acetate
                      Ethylene oxide indicating value 〔%〕
                      0.2 0.4 0.6
                      Coexistence
                      Interference
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (%)
                      Readings 0℃ 10℃ 20℃ 30℃ 40℃
                      (%) (32°F) (50°F) (68°F) (86°F) (104°F)
                      1.8 - 2.00 1.80 1.70 1.64
                      1.6 2.06 1.78 1.60 1.50 1.46
                      1.4 1.84 1.58 1.40 1.35 1.28
                      1.2 1.60 1.34 1.20 1.14 1.09
                      1.0 1.31 1.12 1.00 0.93 0.88
                      0.8 1.08 0.91 0.80 0.73 0.68
                      0.6 0.86 0.70 0.60 0.54 0.49
                      0.4 0.63 0.49 0.40 0.34 0.30
                      0.2 0.36 0.26 0.20 0.16 0.13
                      0.1 0.20 0.14 0.10 0.08 0.06
                      0.01 0.05 0.02 0.01 0.01 0.01
                      Conversion
                      scale (I)
                      (50mR actual value)?
                      (100mR concentration scale)?

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