久久久久久精品成人免费图片,(原创)露脸自拍[62p],免费60分钟床,国内最真实的xxxx人伦

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:2025-01-08

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

国产日韩未满十八禁止在线观看| 久久久久国产精品| 趁老师睡着破了她的处| 全免费a级毛片免费看无码| 欧美精品videoss另类日本| 苍井空av成人片免费观看| 无码人妻av一区二区三区 | 成人无遮挡18禁免费视频| 黑人巨大vs日本人优在线| 猎户边走边挺进她的h| 性欧美乱熟妇xxxx白浆| 极品少妇被猛得白浆直流草莓视频| 中文字幕av人妻少妇一区二区 | 日本肉体xxxx裸交| 99er热精品视频国产免费| 国产第一页浮力影院| 吉林小伟无套gay| 刺激videoschina偷拍| 男朋友做完拔出来的那一刻| 国产又色又爽又黄刺激在线观看| 国产gv天堂亚洲国产gv刚刚碰| 麻豆映画传媒| 岳的大肥坹毛茸茸| 肉乳床欢无码a片120秒厨房里| 与狐说by萝卜药丸了| 中国娇小与黑人巨大交| 色狠狠久久av五月综合| 国产情侣一区二区三区| a级毛片在线观看| 人妻夜夜爽天天爽三区麻豆av| 亚洲 自拍 色综合图第一页区| 255是多少码的鞋子男| 国产精品无码免费专区午夜| 爱爱爱爱看视频| 性生交大片免费看| 国产av无码专区亚洲a∨毛片| 久久久久亚洲精品无码网址 | old老太videos老妇| 欧美肥妇bwbwbwbxx小说 | av无码精品久久久久精品免费| 欧美成人一区二区三区|