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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>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>240S硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

                      硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

                      簡要描述:

                      硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm,化學(xué)性質(zhì):硅烷是一種無色、與空氣反應(yīng)并會引起窒息的氣體,同義名稱:四氫化硅(Silicon hydride) Tube Nos. 1HH, 2HT, all 6, 6L, 6LP, 6LLP, all 11, 11L, 11LA, 11S, 11HA, all 15, 15L, 15H, 19LA, 25, 26, 27, 45S, 45H, 51, 51H, 51L, 52, 53, 70, 70L, 76M, 77, 107

                      更新時間:2024-12-26

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                      硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

                      硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

                      Tube No.240S
                      1. PERFORMANCE
                      1) Measuring range :1-50 ppm 0.5-25 ppm
                      Number of pump strokes 1(100ml) 2(200ml)
                      2) Sampling time :5 minutes/1 pump stroke
                      3) Detectable limit :0.3 ppm(200ml)
                      4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary under 20℃(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 1 pump stroke
                      8) Colour change :Yellow→Red
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:10%
                      3. CHEMICAL REACTION
                      By reacting with Mercuric chloride, Hydrogen chloride is liberated and PH indicator is discoloured.
                      SiH4+HgCI2→HCI
                      4. CALIBRATION OF THE TUBE
                      STANDARD GAS CYLINDER METHOD
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      50
                      40
                      30
                      20
                      10
                      5
                      2 1 GAS To pump
                      240S SILANE
                      Substance Interference ppm Coexistence
                      Phosphine 2re lda ysetarsin o af rger epyroisdhu wcehdit.e and 20 Higher readings are given.
                      Arsine 2st alainye arrse o pf rdoadrukc berdo.wn and red 50 〃
                      Disilane A Similar stain is produced. 2 〃
                      Diborane 〃20 〃
                      Ammonia 100 Lower readings are given.
                      Whole reagent is changed to orange. But
                      Sulphur dioxide the accuracy of readings are not affected
                      by Sulphur dioxide if the top of the stained
                      layer is clear.
                      IPA Not affected.
                      Hydrogen 〃
                      Hydrogen chloride 250 Not affected.
                      Dichlorosilane 200 〃
                      (NOTE)
                      In case of 2 pump strokes, following formula is available for the actual concentration.
                      Actual concentration=Temperature corrected value×1/2
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 0℃ 10℃ 20-40℃
                      (ppm) (32°F) (50°F) (68-104°F)
                      50 38 45 50
                      40 30 35 40
                      30 22 26 30
                      20 14 17 20
                      10 7 8 10
                      5 4 4 5
                      2 2 2 2
                      1 1 1 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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