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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>132SC氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm

                      氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm

                      簡要描述:

                      o-Chlorotoluene ClC6H4CH3 132SC VINYL CHLORIDE (-) 1-50ppm 氯乙烯氣體檢測管,鄰氯甲苯測毒管,2-氯甲苯檢測管,因此,臭氧濃度的允許值定為 4.46×10 -9 mol/L(0.1ppm)8h. 由于臭氧的臭味很濃,濃度為4.46×10 -9 mol/L(0.1ppm)時(shí),人們就感覺到,因此,世界上使用臭氧已有一百多年的歷史,至今也沒有發(fā)現(xiàn)一例因臭氧中毒而導(dǎo)致死亡的報(bào)道。

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

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                      氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm

                      o-Chlorotoluene ClC6H4CH3 132SC VINYL CHLORIDE (-) 1-50ppm 氯乙烯氣體檢測管,鄰氯甲苯測毒管,2-氯甲苯檢測管,

                      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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