1. <i id="cnzke"></i>
    2. <td id="cnzke"><ins id="cnzke"></ins></td>
          1. <noscript id="cnzke"><dl id="cnzke"></dl></noscript>

              1. <noscript id="cnzke"><tbody id="cnzke"></tbody></noscript>

                  • <td id="cnzke"><tr id="cnzke"></tr></td>
                  • <source id="cnzke"><tr id="cnzke"></tr></source>

                    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

                      產(chǎn)品列表PRODUCTS LIST

                      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>111U異丙醚[(CH3)2CH]2O氣體檢測管111U Isopropyl ether 30-800ppm

                      異丙醚[(CH3)2CH]2O氣體檢測管111U Isopropyl ether 30-800ppm

                      簡要描述:

                      乙酸乙酯氣體檢測管,異丙醚[(CH3)2CH]2O氣體檢測管 Isopropyl ether 30-800ppm,中文名稱2:二異丙醚,健康危害: 蒸氣或霧對眼睛、粘膜、皮膚和上呼吸道有刺激性。接觸后能引起惡心、頭痛、嘔吐和麻醉作用。皮膚反復(fù)接觸,可引起接觸性皮炎。

                      更新時(shí)間:2024-12-25

                      發(fā)郵件給我們:554328895@qq.com

                      分享到: 1
                      在線留言
                      異丙醚[(CH3)2CH]2O氣體檢測管111U Isopropyl ether 30-800ppm

                      異丙醚[(CH3)2CH]2O氣體檢測管111U Isopropyl ether 30-800ppm

                      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
                      ?? ??
                      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

                      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
                      1. <i id="cnzke"></i>
                      2. <td id="cnzke"><ins id="cnzke"></ins></td>
                            1. <noscript id="cnzke"><dl id="cnzke"></dl></noscript>

                                1. <noscript id="cnzke"><tbody id="cnzke"></tbody></noscript>

                                    • <td id="cnzke"><tr id="cnzke"></tr></td>
                                    • <source id="cnzke"><tr id="cnzke"></tr></source>

                                      1. 靖宇县| 皮山县| 临城县| 山阳县| 德清县| 万山特区| 卢龙县| 崇州市| 乌鲁木齐县| 商水县| 陆川县| 长寿区| 应城市| 白城市| 富平县| 泌阳县| 汤原县| 治多县| 淅川县| 宣汉县| 通山县| 基隆市| 崇左市| 岳阳市| 洞口县| 正镶白旗| 泽普县| 正安县| 农安县| 祥云县| 芜湖市| 虎林市| 北京市| 东海县| 若尔盖县| 沙河市| 登封市| 固始县| 察雅县| 中西区| 东宁县|