国产精品久久久久久无码专区,日本免费无码一区二区到五区,gogogo日本免费观看视频,亚洲av综合色区无码一区爱av

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

男男开荤粗肉np尿在里面| 99精品国产99久久久久久97| 久久精品国产精品亚洲毛片| 亚洲综合小说另类图片动图| 国产白丝制服被啪到喷水视频| 久久久久亚洲av无码专区体验| 欧美又大又粗毛片多喷水| 中文字幕乱码中文乱码| 无码人妻一区二区三区| 精品无码欧美一区二区三区不卡| 日韩精品一区| 乡下人产国偷v产偷v自拍| 人妻丰满熟妇av无码区不卡色欲| 精品人妻伦九区久久aaa片69| 亚洲色熟女图激情另类图区| 狠狠挺进稚嫩学生小身体| 国产手机拍视频推荐2023| 国产无遮挡又黄又爽在线观看| 精品久久久久久久久久中文字幕| 野花视频在线观看免费| 久久精品一区二区三区四区| 国精产品一码二码三m| 色婷婷亚洲一区二区三区| 国产人妻777人伦精品hd| 人妻少妇偷人精品无码洋洋av| 亚洲精品尤物av在线观看任我爽| 日本三级吃奶头添泬无码苍井空| 无码jk粉嫩小泬在线观看欧美| 欧美与黑人午夜性猛交久久久| 色欲av永久无码精品无码蜜桃| 中文字幕无码精品亚洲资源网久久| 国产成人无码综合亚洲日韩| 国产又爽又黄无码无遮挡在线观看| 国产精品久久久久久久久久直播| 欧美人与兽| 日韩欧美亚洲国产精品字幕久久久| 我的邻居是bj无删减漫画免费看| 公车上双乳被老汉揉搓玩弄漫画| 国产毛片精品一区二区色欲黄a片| 亚洲综合久久日日躁综合| 国产av无码专区亚洲av毛片搜|