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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>158SB苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

                      苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

                      簡(jiǎn)要描述:

                      苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm,快速水質(zhì)檢測(cè)管可對(duì)水中的有害物質(zhì)濃度含量進(jìn)行精確定量測(cè)量,可檢測(cè):硫化物、硫離子、臭氧、氯離子、殘留氯、水銀、鉻離子、鐵離子、銅離子、鋅離子、鎳離子等。www.r-biopharm.net.cn

                      更新時(shí)間:2024-12-26

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                      苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

                      苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

                      Tube 58SB
                      1. PERFORMANCE
                      1) Measuring range :2-100 ppm 1-50 ppm
                      Number of pump strokes 2(200mL) 4(400mL)
                      2) Sampling time :1 minute / 1 pump stroke
                      3) Detectable limit :0.2 ppm(400mL)
                      4) Shelf life :3 years
                      5) Operating temperature :0~40℃
                      7) Reading :Direct reading from the scale calibrated by 2 pump strokes
                      8) Colour change :White→Yellow
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low : 5 % RSD-mid.: 5 % RSD-high : %
                      3. CHEMICAL REACTION
                      A polymer of Styrene is produced by fume sulphuric acid.
                      4. CALIBRATION OF THE TUBE
                      DIFFUSION TUBE METHOD
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      158SB STYRENE
                      Substance ppm Interference Coexistence
                      Acrylonitrile The accuracy of readings is
                      not affected.
                      Lower readings are given.
                      Butadiene 5
                      Formaldehyde
                      Pale orange stain is produced.
                      Acetaldehyde
                      Higher readings are given.
                      Methyl alcohol The accuracy of readings is
                      not affected.
                      Ethyl alcohol 〃
                      Ethyl acetate 〃〃
                      Butyl acetate 〃〃
                      (NOTE )
                      In case of 2 pump strokes, following formula is available for actual concentration.
                      Actual concentration = 1 / 2×Reading value.
                      C C H – C H 2 C H 2
                      H 2SO 4
                      400
                      15
                      350
                      3500
                      1800
                      700
                      700
                      The accuracy of readings is
                      not affected.
                      Orange stain is produced.




                      GAS To pump
                      DEHUMIDIFIER TUBE DETECTOR TUBE
                      (White)
                      TEMPERATURE CORRECTION COEFFICIENT TABLE
                      Temperature
                      0℃
                      10℃ (50°)
                      20℃ (68°)
                      30℃ (86°)
                      40℃ (104°)
                      0
                      0.80
                      0.90
                      1.00
                      1.10
                      1.20
                      1
                      0.81
                      0.91
                      1.01
                      1.11
                      6
                      0.86
                      0.96
                      1.06
                      1.16
                      5
                      0.85
                      0.95
                      1.05
                      1.15
                      4
                      0.84
                      0.94
                      1.04
                      1.14
                      3
                      0.83
                      0.93
                      1.03
                      1.13
                      2
                      0.82
                      0.92
                      1.02
                      1.12
                      7
                      0.87
                      0.97
                      1.07
                      1.17
                      8
                      0.88
                      0.98
                      1.08
                      1.18
                      9
                      0.89
                      0.99
                      1.09
                      1.19

                      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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