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                      首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>111U甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

                      甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

                      簡要描述:

                      111U ETHYL ACETATE乙酸乙酯,甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm,生化監(jiān)測箱,毒物現場勘察箱,突發(fā)化學事故應急檢測箱,核化應急檢測箱,突發(fā)事件應急檢測箱,易制毒化學品檢驗箱,化學事故應急檢測箱主要適用于突發(fā)性化學事故(如火災、爆炸、毒氣泄漏等)現場的有毒有害氣體快速檢測,保證事故救援工作的順利進行,為事故分析提供現場數據。

                      更新時間:2024-12-26

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                      甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

                      甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

                      Tube 11U

                      1. PERFORMANCE
                      1) Measuring range :20-1,000 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→Brown
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:5%
                      3. CHEMICAL REACTION
                      Chromium oxide is reduced.
                      CH3CO2C2H5+Cr6++H2SO4→Cr3+
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      1000
                      800
                      600
                      400
                      200
                      100
                      50
                      20
                      ??????????

                      ????
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                      111U ETHYL ACETATE
                      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)
                      1,000 1,330 1,200 1,000 830 700 600 500
                      800 1,080 950 800 670 550 470 400
                      600 830 720 600 500 420 380 300
                      400 570 480 400 330 280 240 200
                      200 280 240 200 170 140 120 100
                      100 150 120 100 80 70 60 50
                      50 70 60 50 40 30 20 10
                      20 30 25 20 15 10 7 4
                      Substance Interference Coexistence
                      Alcohols Similar stain is produced. Higher reading are given.
                      Esters 〃〃
                      Ketones 〃〃
                      Aromatic hydrocarbons 〃〃
                      Whole reagent is discoloured to It the top of brown stain is clear,
                      Paraffin hydrocarbons Pale brown. athffee catcecdu.racy of readings is not
                      Halogenated hydrocarbons FIG.1 〃〃
                      0
                      200
                      400
                      600
                      800
                      1000
                      Trichloroethylene〔ppm〕?
                      FIG.1 Influence of Trichloroethylene
                      Ethyl acetate indicating value 〔ppm〕

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