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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>122SB環(huán)氧乙烷CH2CH2O氣體檢測管122SB ETHYLENE OXIDE 5-100ppm

                      環(huán)氧乙烷CH2CH2O氣體檢測管122SB ETHYLENE OXIDE 5-100ppm

                      簡要描述:

                      環(huán)氧乙烷CH2CH2O氣體檢測管122SB ETHYLENE OXIDE 5-100ppm,采樣器為吸入負壓式,即拉開與手柄相連的活塞,使缸筒造成負壓,被測氣體在吸入時通過檢測管與管內(nèi)的化學(xué)物質(zhì)反應(yīng)變色進行檢測的方式。采樣器設(shè)有兩個檔位,檢測時按需要的通氣體積將手柄拉至50或100ml檔位即可,鎖銷自行鎖定,操作極為簡便。

                      更新時間:2024-12-25

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                      環(huán)氧乙烷CH2CH2O氣體檢測管122SB ETHYLENE OXIDE 5-100ppm

                      環(huán)氧乙烷CH2CH2O氣體檢測管122SB ETHYLENE OXIDE 5-100ppm

                      Tube 22SB
                      1. PERFORMANCE
                      1) Measuring range :5-100 ppm
                      Number of pump strokes 2(200ml)
                      2) Sampling time :3 minutes/2 pump strokes
                      3) Detectable limit :0.5 ppm(200ml)
                      4) Shelf life :2 years
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 2 pump strokes
                      8) Colour change :Pink→Yellow
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:5% RSD-high:5%
                      3. CHEMICAL REACTION
                      By decomposing with an Oxidizer, Formic acid is produced and PH indicator is discoloured.
                      CH2CH2O+H2SO4→HOCH2CH2OH
                      HOCH2CH2OH+HIO4→2HCHO+HIO3+H2O
                      HCHO+HIO4+H2SO4→HCO2H+HIO3
                      HCO2H+NaOH→Na(HCOO)+H2O
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      ????
                      GAS To pump
                      DETECTOR TUBE
                      (White)
                      PRETREAT TUBE
                      100
                      80
                      60
                      40
                      20
                      10
                      5
                      ????
                      ????
                      ????
                      122SB ETHYLENE OXIDE
                      Substance Interference Coexistence
                      Formaldehyde Similar stain is produced. Higher readings are given.
                      Propylene 〃〃
                      Acetone Ytheell ogwas s itnalient ies dpgroed. uced a little on Lower readings are given.
                      Diethyl ether Plitatlele o onr athneg eg assta ininle its e pdrgoed.uced a 〃
                      TEMPERATURE CORRECTION TABLE
                      Scale Corrected Concentration (ppm)
                      Readings 0℃ 10℃ 20℃ 30℃ 40℃
                      (ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
                      100 - 125 100 80 70
                      80 - 100 80 64 56
                      60 140 75 60 48 42
                      40 80 50 40 32 28
                      20 32 25 20 17 14
                      10 15 12 10 9 7
                      5 7 6 5 5 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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