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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>139U二異丁基酮?dú)怏w檢測(cè)管139U Diisobutyl ketone 20-1000ppm

                      二異丁基酮?dú)怏w檢測(cè)管139U Diisobutyl ketone 20-1000ppm

                      簡(jiǎn)要描述:

                      139U DIISOBUTYL KETONE (+) 139U二異酮,便攜式氣體檢測(cè)管二異丁基甲酮檢測(cè)管[(CH3)2CHCH2]2CO,二異丁基酮Diisobutyl ketone 20-1,000ppm,總代理銷(xiāo)售日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管,提供日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管介紹,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管應(yīng)用,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管價(jià)格,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管說(shuō)明書(shū),日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)

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

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                      二異丁基酮?dú)怏w檢測(cè)管139U Diisobutyl ketone 20-1000ppm

                      二異丁基酮?dú)怏w檢測(cè)管139U Diisobutyl ketone 20-1000ppm

                      Tube 39U
                      1. PERFORMANCE
                      1) Measuring range :20-1,500 ppm
                      Number of pump strokes 1(100ml)
                      2) Sampling time :1.5 minutes/1 pump stroke
                      3) Detectable limit :10 ppm
                      4) Shelf life :2 years
                      5) Operating temperature :10~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 1 pump stroke
                      8) Colour change :Yellow→Pale blue(The top of discoloured layer is Brown.)
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:10%
                      3. CHEMICAL REACTION
                      Chromium oxide is reduced.
                      CH3COC2H5+Cr6++H2SO4→Cr3+
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      20
                      50
                      100
                      200
                      500
                      1000
                      1500
                      ppm
                      GAS To pump
                      DEHUMIDIFIER
                      (White)
                      139U METHYL ETHYL KETONE
                      Substance Interference Coexistence
                      Alcohols Similar or Brown stain is produced. Higher readings are given.
                      Esters 〃〃
                      Ketones 〃〃
                      Aromatic hydrocarbons 〃〃
                      Whole reagent is changed to Brown,
                      Halogenated hydrocarbons but if the top of Pale blue stain is clear,
                      FIG.2 the reading can be obtained.
                      Paraffin hydrocarbons FIG.1 〃
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
                      (ppm) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
                      1,500 2,050 1,750 1,500 1,280 1,100 940 820
                      1,000 1,430 1,200 1,000 850 720 620 530
                      500 750 620 500 430 360 320 280
                      200 300 250 200 170 140 120 110
                      100 160 120 100 90 70 60 50
                      50 80 60 50 40 30 30 20
                      20 30 30 20 20 10 10 10
                      0
                      1200
                      1400
                      800
                      400
                      600
                      1000
                      Hexane〔ppm〕?
                      FIG.1 Influence of Hexane
                      Methyl ethyl ketone
                      indicating value 〔ppm〕
                      100 200 300 400 500
                      200
                      0
                      1200
                      1400
                      800
                      400
                      600
                      1000
                      Trichloroethylene〔ppm〕?
                      FIG.2 Influence of Trichloroethylene
                      Methyl ethyl ketone
                      indicating value 〔ppm〕
                      200 400 600
                      200

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