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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異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL

                      異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL

                      簡要描述:

                      異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL 0.05-2.5%,別名:二甲基甲醇;2-丙醇,行業(yè)中也作:IPA,英文品名: iso-Propyl alcohol ;isopropanol;Dimethylcarbinol;2-Propanol俗稱IPA,它是正丙醇 CH3-CH2-CH2OH 的同分異構(gòu)體。分子式: C3H8O;(CH3)2CHOH,健康危害: 接觸高濃度蒸氣出現(xiàn)頭痛、倦睡、共濟(jì)失調(diào)以及眼、鼻、喉刺激癥狀。口服可致惡心、嘔吐、腹痛、腹瀉

                      更新時(shí)間:2024-12-25

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                      異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL

                      異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL 0.05-2.5%

                      Tube 22SA

                      1. PERFORMANCE
                      1) Measuring range :0.05-2.5%
                      Number of pump strokes 1(100ml)
                      2) Sampling time :1.5 minutes/1 pump stroke
                      3) Detectable limit :100 ppm
                      4) Shelf life :3 years
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Graduations printed on the tube are calibrated by Ethylene oxide at 1 pump stroke
                      and Isopropyl alcohol is determined by using a conversion chart.
                      8) Colour change :Orange→Dark brown
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:15% RSD-mid.:15% RSD-high:5%
                      3. CHEMICAL REACTION
                      Chromium oxide is reduced.
                      CH3CH(OH)CH3+Cr6++H2SO4→Cr3+
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      1.0
                      0.8
                      0.6
                      0.4
                      1.8
                      1.6
                      1.4
                      1.2
                      0.2
                      0.1
                      0.01
                      %
                      (White)
                      DEHUMIDIFIER
                      122SA C ISOPROPYL ALCOHOL
                      Substance Interference % Coexistence
                      Alcohols FIG.1 Similar stain is produced. Higher readings are given.
                      Esters FIG.2 〃〃
                      Ketones 〃〃
                      Aromatic hydrocarbons 〃〃
                      Paraffin hydrocarbons WPahleo leb rroewang.ent is discoloured to 0.5 〃
                      (NOTE)
                      Methanol and Ethyl acetate have the same sensitivity as Isopropyl alcohol.
                      Methyl ethyl ketone has 3/ 4 sensitivity of Isopropyl alcohol.
                      0
                      0.5
                      1.0
                      1.5
                      2.0
                      2.5
                      Methanol〔%〕?
                      FIG.1 Influence of Methanol
                      Isopropyl alcohol
                      indicating value 〔%〕
                      0.2 0.4 0.6
                      Coexistence
                      Interference
                      0
                      0.5
                      1.0
                      1.5
                      2.0
                      2.5
                      Ethyl acetate〔%〕?
                      FIG.2 Influence of Ethyl acetate
                      Isopropyl alcohol
                      indicating value 〔%〕
                      0.2 0.4 0.6
                      Coexistence
                      Interference
                      22SA Tube reading (%)?
                      Isopropyl alcohol(%)?
                      1.2
                      1.0
                      0.8
                      1.6
                      1.8
                      1.4
                      0.6
                      0.4
                      0.2
                      0.1
                      0.01 0.05
                      0.1
                      0.5
                      1.0
                      1.5
                      2.0
                      2.5
                      (100mR)?
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃ 10℃ 20℃ 30℃ 40℃
                      (%) (32°F) (50°F) (68°F) (86°F) (104°F)
                      2.5 - - 2.50 2.10 2.00
                      2.0 - - 2.00 1.70 1.62
                      1.5 - - 1.50 1.28 1.21
                      1.0 - 1.43 1.00 0.85 0.80
                      0.5 1.00 0.62 0.50 0.42 0.38
                      0.1 0.16 0.14 0.10 0.09 0.08
                      0.05 0.09 0.06 0.05 0.04 0.03

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