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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(yè)>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>132SC間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

                      間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

                      簡(jiǎn)要描述:

                      對(duì)氯甲苯,間氯甲苯C6H4Cl(CH3) 氣體檢測(cè)管132SC VINYL CHLORIDE (-) 0.5-10ppm,其毒性還和接觸時(shí)間有關(guān),例如長(zhǎng)期接觸 1.748×10 -7mol/L(4ppm) 以下的臭氧會(huì)引起*性心臟障礙,但接觸 20ppm 以下的臭氧不超過(guò) 2h,對(duì)人體無(wú)*性危害。 VINYL CHLORIDE (-) 氯乙烯檢測(cè)管,C6H4Cl(CH3) m-Chlorotoluene

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

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                      間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

                      氯乙烯檢測(cè)管,間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

                      Tube 32SC
                      1. PERFORMANCE
                      1) Measuring range :0.4-12.0 ppm 0.2-6.0 ppm 0.1-3.0 ppm
                      Number of pump strokes 1(100ml) 2(200ml) 4(400ml)
                      2) Sampling time :3 minutes/2 pump strokes
                      3) Detectable limit :0.05 ppm(400ml)
                      4) Shelf life :3 years
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(0~15℃)(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 2 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, Hydrogen chlorine is produced and PH indicator is discoloured.
                      CH2=CHCI+CrO3+H2SO4→HCI
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      PRETEAT TUBE DETECTOR TUBE
                      6.0
                      5.0
                      4.0
                      3.0
                      2.0
                      1.0
                      (White)
                      ppm
                      200ml
                      132SC VINYL CHLORIDE
                      Substance Interference ppm Coexistence
                      Acetylene 1% Lower readings are given.
                      Ethylene FIG.1 300 〃
                      Hydrogen chloride 200 Higher readings are given.
                      Chlorine Similar stain is produced. ch1lo0r×ideV cinoynlc. 〃
                      (NOTE)
                      In case of 1 or 4 pump strokes, following formula is available for the actual concentration.
                      Actual concentration=Temperature corrected value×2/Number of strokes
                      0
                      4.0
                      3.0
                      1.0
                      2.0
                      Ethylene〔ppm〕?
                      FIG.1 Influence of Ethylene Vinyl chloride indicating value 〔
                      ppm〕
                      100 200 300 400 500 600 700
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃ 5℃ 10℃ 15-40℃
                      (ppm) (32°F) (41°F) (50°F) (59°F)(104°F)
                      6.0 10.0 8.2 7.0 6.0
                      5.0 8.2 6.8 5.7 5.0
                      4.0 6.7 5.5 4.7 4.0
                      3.0 4.9 4.1 3.5 3.0
                      2.0 3.3 2.7 2.3 2.0
                      1.0 1.6 1.3 1.2 1.0

                      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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