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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>197U環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE

                      環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE

                      簡要描述:

                      環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE 5-80ppm,健康危害:本品具有麻醉和刺激作用。液體對皮膚有刺激性;眼接觸有可能造成角膜損害。慢性影響:長期反復(fù)接觸可致皮炎。微溶于水,易溶于乙醇和乙醚。易燃,無腐蝕性。蒸氣與空氣形成爆炸性混合物,爆炸極限3.2%~9%(體積)。

                      更新時間:2024-12-25

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                      環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE

                      環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE 5-80ppm

                      1. PERFORMANCE
                      1) Measuring range :2-100 ppm
                      Number of pump strokes 3(300ml)
                      2) Sampling time :4.5 minutes/3 pump strokes
                      3) Detectable limit :1 ppm
                      4) Shelf life :3 years
                      5) Operating temperature :0~40℃
                      6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
                      7) Reading :Direct reading from the scale calibrated by 3 pump strokes
                      8) Colour change :Yellow→Pale blue
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:5%
                      3. CHEMICAL REACTION
                      Chromium oxide is reduced.
                      C6H10O+Cr6++H2SO4→Cr3+
                      4. CALIBRATION OF THE TUBE
                      GAS CHROMATOGRAPHY
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      100
                      80
                      60
                      40
                      20
                      10
                      2
                      300ml
                      ppm
                      (White)
                      DEHUMIDIFIER
                      ??????
                      Tube No.
                      197U CYCLOHEXANONE

                      Substance Interference Coexistence
                      Aliphatic hydrocarbons Whole stain is changed to brown. The accuracy of reading is not
                      affected.
                      Aromatic hydrocarbons 〃〃
                      Halogenated hydrocarbons 〃〃
                      Alcohols FIG.1 Similar stain is produced. Higher readings are given.
                      Esters Pale ringed stain is produced near The accuracy of reading is not
                      the bottom of the reagent. affected.
                      0
                      30
                      50
                      70
                      10
                      Ethanol〔ppm〕?
                      FIG.1 Influence of Ethanol
                      Cyclohexanone indicating value 〔ppm〕
                      50 100 150
                      Coexistence
                      Interference
                      TEMPERATURE CORRECTION TABLE
                      Scale True Concentration (ppm)
                      Readings 10℃ 20℃ 30℃ 40℃
                      (ppm) (50°F) (68°F) (86°F) (104°F)
                      100 - 100 75 60
                      80 120 80 62 50
                      60 84 60 46 37
                      40 52 40 30 25
                      20 26 20 16 13
                      10 14 10 8 7
                      2 3 2 2 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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