99久久国产精品人妻无码,国产免费av片在线观看,国产精品污www一区二区三区,真人性做爰无遮a片免费

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>215S二氯苯C6H4Cl2氣體檢測管 215S p-DICHLOROBENZENE 10-150ppm

二氯苯C6H4Cl2氣體檢測管 215S p-DICHLOROBENZENE 10-150ppm

簡要描述:

二氯苯C6H4Cl2氣體檢測管 215S p-DICHLOROBENZENE 10-150ppm 1,4-二氯苯;對二氯苯,,請問什么是氣體檢測管法檢測器?體檢測管是在一個(gè)固定長度和內(nèi)徑的玻璃管內(nèi),裝填一定量的檢測劑,用塞料加以固定,再將玻璃管兩端熔封。

更新時(shí)間:2024-12-03

在線留言
二氯苯C6H4Cl2氣體檢測管 215S p-DICHLOROBENZENE 10-150ppm

二氯苯C6H4Cl2氣體檢測管 215S p-DICHLOROBENZENE 10-150ppm

1. PERFORMANCE
1) Measuring range :10-150 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :6 ppm
4) Shelf life :1 year (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 1 pump stroke
8) Colour change :White→Blueish purple
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with an Oxidizer, Hydrogen chloride is prodaced and PH indicator is discoloured.
C6H4CI2+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
150
120
100
80
60
40
20
10
ppm
200ml
????
Tube No.
215S p-DICHLOROBENZENE
95
Substance Interference Coexistence
Benzene Similar stains are produced and higher
readings are given.
Toluene 〃
Blueish green stains are produced and
Hexane the top of discoloured layer becomes 〃
unclear.
Ethanol The accuracy of reading is not affected. The accuracy of reading is not affected.
TEMPERATURE CORRECTION TABLE
Tube Corrected 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)
150 - - 150 108 66 48 30
100 - - 100 72 46 37 26
50 110 80 50 28 26 21 16
20 50 27 20 14 10 8 6
10 22 15 10 8 6 5 4

欧美成人一区二区三区| 久久久综合香蕉尹人综合网| 人与嘼交av免费| 爱爱爱爱看视频| 我的真實亂倫故事| 欧美性生交xxxxx无码小说| 人善交videos欧美| 欧美在线精品一区二区三区不卡| 久久久久久久| 粗大挺进朋友人妻身体里国产电影| 正文第1章初尝云雨| 成人妇女免费播放久久久| 去部队探亲被全队肉辣文| 97人妻精品一区二区三区| 大肉大捧一进一出的视频| 女人脱了内裤高潮喷水30分钟| 亚洲一区域二区域三区域四区域| 差差差很疼30分钟的视频| 无人在线观看完整免费版视频| 联系附近成熟妇女| 亚洲国产精品无码久久久| 扒开双腿疯狂进出爽爽爽动态照片| 无码人妻少妇色欲av一区二区| 约附近100元3小时微信| 婉莹满足了十几个农民工| 久久国产精品99久久久久久| 777久久人妻少妇嫩草av| 精品亚洲一区二区三区四区五区| 少妇作愛爽到呻吟69xx| 国产男男激情videosgay| 我的漂亮女房东完整版在线韩剧| 久久精品午夜一区二区福利| 日本高清视频www| 成人在色线视频在线观看免费社区| 噜噜狠狠色综合久色a站网址| 亚洲gv钙片在线观看网站| 日韩乱码人妻无码中文字幕久久| 人妻少妇偷人精品无码洋洋av| 少妇被粗大的猛烈进出免费视频| 小箩莉h文合集小说| 99er热精品视频国产免费|