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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>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>192S環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

                      環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

                      簡要描述:

                      環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm,“SEI"認(rèn)證是什么?“安全設(shè)備學(xué)會Safety Equipment Institute(SEI)"—上Z為嚴(yán)格的認(rèn)證之一,由美國國家標(biāo)準(zhǔn)學(xué)會和工業(yè)安全設(shè)備聯(lián)合會American NationalStandardsInstitute/Industrial Safety Equipment Association(ANSI/ISEA)做出。2006年6月,SEI對21種氣體檢測管進(jìn)行了認(rèn)證

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

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                      環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

                      環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

                      Tube 92S
                      1. PERFORMANCE
                      1) Measuring range :5-50 ppm
                      Number of pump strokes 3(300ml)
                      2) Sampling time :2 minutes/3 pump strokes
                      3) Detectable limit :1 ppm
                      4) Shelf life :1 year
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 3 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 decomposing with an Oxidizer, Hyrogen chloride is produced and PH indicator is discoloured.
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      ????????????
                      GAS ???? To pump
                      DETECTOR TUBE
                      (Orange)
                      PRETREAT TUBE
                      50
                      40
                      30
                      20
                      10
                      5
                      ppm
                      300ml
                      192S EPICHLOROHYDRIN
                      CH2CHCH2Cl+CrO3+H2SO4→HCl
                      O
                      Substance Interference Coexistence
                      Halogenated hydrocarbons Similar stain is produced. Higher readings are given.
                      FIG.1
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃ 5℃ 10℃ 15℃ 20℃ 30℃ 40℃
                      (ppm) (32°F) (41°F) (50°F) (59°F) (68°F) (86°F) (104°F)
                      50 - - 70 60 50 42 37
                      40 - - 57 47 40 34 30
                      30 - 61 42 35 30 25 23
                      20 80 39 29 24 20 17 15
                      10 33 19 15 12 10 9 8
                      5 15 10 8 6 5 5 4
                      0
                      30
                      40
                      50
                      60
                      20
                      10
                      Trichlorocthylene〔ppm〕?
                      FIG.1 Influence of Trichlorocthylene
                      Epichlorohydrin indicating value 〔ppm〕
                      50 100 150 200 250
                      Coexistence
                      Interference

                      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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