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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>141SB二硫化碳CS2氣體檢知管141SB CARBON DISULPHIDE 0.8-50ppm

                      二硫化碳CS2氣體檢知管141SB CARBON DISULPHIDE 0.8-50ppm

                      簡要描述:

                      二硫化碳CS2氣體檢測管141SA CARBON DISULPHIDE 0.8-50ppm 30-500ppm,141SB CARBON DISULPHIDE 二硫化碳CS2氣體檢知管141SB CARBON DISULPHIDE 0.8-50ppm,檢測試劑是通過在硅膠或氧化鋁等物質(zhì)表面附著顯色試劑的方法制成的。顯色試劑遇到被檢測氣體時會發(fā)生特定的反應(yīng),而且這種檢測試劑具有相當(dāng)?shù)姆€(wěn)定性。

                      更新時間:2025-01-01

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                      二硫化碳CS2氣體檢知管141SB CARBON DISULPHIDE 0.8-50ppm

                      二硫化碳CS2氣體檢知管141SB CARBON DISULPHIDE 0.8-50ppm

                      Tube 41SB
                      1. PERFORMANCE
                      1) Measuring range :2-50 ppm 0.8-20 ppm
                      Number of pump strokes 2(200ml) 4(400ml)
                      2) Sampling time :4 minutes/2 pump strokes
                      3) Detectable limit :0.3 ppm(400mr)
                      4) Shelf life :3 years(Necessary to store in a refrigerated place ; 0~10℃)
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 2 pump strokes.
                      8) Colour change :Pink→Yellow
                      2. RELATIVE STANDARD DEVIATION
                      C.V-low:10% C.V.-mid.:10% C.V.-high:10%
                      3. CHEMICAL REACTION
                      Sulphur dioxide is produced by an Oxidizer.
                      By reacting between this Sulphur dioxide and alkali,
                      PH indicator is discoloured.
                      CS2+CrO3+H2SO4→SO2
                      SO2+2NaOH→Na2SO3+H2O
                      4. CALIBRATION OF THE TUBE
                      STANDARD GAS CYLINDER METHOD
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      5
                      2
                      10
                      20
                      30
                      40
                      50
                      ppm
                      200ml
                      GAS To pump
                      (White) (Yellow)
                      PRETREAT TUBE DETECTOR TUBE
                      141SB CARBON DISULPHIDE
                      Substance ppm Interference ppm Coexistence
                      Sulphur dioxideFIG.1 15 Similar stain is produced. Higher readings are given.
                      Hydrogen sulphiFdIeG.2 100 〃120 〃
                      Chlorine Pale pink stain is produced. 〃
                      (NOTE)
                      In case of 4 pump strokes, following formula is available for the actual concentration.
                      Actual concentration = 2/5×Temperature corrected value
                      0
                      10
                      20
                      30
                      40
                      50
                      5
                      Sulphur dioxide〔ppm〕?
                      FIG.1 Influence of Sulphur dioxide
                      Carbon dioxide
                      indicating value 〔ppm〕
                      20 40
                      Coexistence
                      Interference
                      0
                      10
                      20
                      30
                      40
                      50
                      5
                      Hydrogen sulphide〔ppm〕?
                      FIG.2 Influence of Hydrogen sulphide
                      Carbon dioxide
                      indicating value 〔ppm〕
                      100 200
                      Coexistence
                      Interference
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃ 10℃ 20℃ 30℃ 40℃
                      (ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
                      50 72 59 50 43 38
                      45 65 54 45 39 34
                      40 58 48 40 34 30
                      35 51 42 35 30 26
                      30 44 36 30 26 22
                      25 37 30 25 21 18
                      20 31 25 20 17 14
                      15 24 19 15 13 10
                      10 16 12 10 8 7
                      5 9 7 5 4 3
                      2 3 3 2 2 1
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