成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

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:2025-01-15

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

深夜a级毛片免费视频| 亚洲欧美一区二区成人片| 7777精品伊人久久久大香线蕉| 亚洲国产精品sss在线观看av| 欧洲精品码一区二区三区免费看| 国产婷婷一区二区三区| 2021少妇久久久久久久久久| 人妻AV一区二区三区精品| 国产精品内射后入合集| 亚洲成AV人片在线观看| 性做久久久久久免费观看| 99久久国产综合精品麻豆| 国产成人无码18禁午夜福利P | 日本一本免费一区二区| 国产精品久久毛片a片| 丰满白嫩人妻中出无码| 少妇挤奶水a片无码网站| 久久久久亚洲AV成人人电影| 国产免费久久精品99久久| 日韩AV高清在线观看| 人妻无码av中文系列久久 | 亚洲精品国产精品国自产观看| 欧美男男gaygay巨大粗长肥| 99久久久无码国产aaa精品| 人妻少妇被猛烈进入中文字幕| 人妻无码av久久一二三区| 日本大但人文艺术| 日本三级欧美三级人妇视频| 国产丝袜视频一区二区三区| 久久久久久亚洲精品无码| 被窝影院午夜无码国产| 亚洲精品国产成人| 熟妇人妻VA精品中文字幕| 精品女同一区二区三区免费站| 欧美 大码 变态 另类| 野外做受又硬又粗又大视频| 亚洲av无码久久| 啦啦啦啦WWW视频免费观看| 香蕉久久人人爽人人爽人人片av| 午夜成人理论无码电影在线播放 | 无码88AⅤ欧美熟妇人妻影院|