精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

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。

更新時間:2025-03-10

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

久久精品国产亚洲AV麻豆蜜芽| 农村熟妇高潮精品a片| 毛片免费视频| 97精品人人a片免费看| 亚洲日韩中文无码久久 | 国产精品久久久久9999高清| 精品少妇人妻AV免费久久久| 亚洲日韩精品欧美一区二区一| 伊人久久大香线蕉综合75| 一道久久爱综合久久爱| 精品少妇人妻AV无码专区偷人| 7777精品伊久久久大香线蕉| 国产SUV精二区69| 国产精品99久久久久久| 亚洲最大成人网| 人人妻人人澡人人爽精品日本| 精品国产一区二区三区无码| 人妻系列无码专区久久五月天| 蜜臀av免费一区二区三区| 色婷婷综合久久久久中文一区二区 | 人人妻人人澡人人爽人人精品av| 久久超乳爆乳中文字幕| 国产成人精品无码播放| 女人国产香蕉久久精品| 歪歪爽蜜臀AV久久精品人人槡| 无码国产精品一区二区免费16| 欧美又粗又大又爽又色A片| 车后座挺进朋友人妻女友| 国产欧美精品123区发布| 东京无码熟妇人妻av在线网址 | 欧美成A人片在线观看久| 欧美人与劲物XXXXZ0OZ| 欧美精品久久久久a片18的试看| 日产国产精品亚洲系列| 精品无码久久久久久久久| 美国色情三级欧美三级| 男人一边吻奶边挵进去免费软件| 国产精品9999久久久久仙踪林| 国产AV天堂无码一区二区三区 | 性欧美videofree另类| 国产熟女露脸大叫高潮|