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        1. 上海境宣實業(yè)有限公司
          中級會員 | 第16年

          17601355022

          當(dāng)前位置:上海境宣實業(yè)有限公司>>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

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          具體成交價以合同協(xié)議為準(zhǔn)

          產(chǎn)品型號141SB

          品       牌

          廠商性質(zhì)代理商

          所  在  地上海市

          更新時間:2024-11-27 16:05:38瀏覽次數(shù):1490次

          聯(lián)系我時,請告知來自 化工儀器網(wǎng)
          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。

          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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