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

领导征服下属新婚人妻| 亚洲国产精品无码久久久老少 | 久久久久久国产精品美女| 亚洲精品无码久久久影院相关影片| 亚洲欧洲日产v| 国产网红女主播精品视频| 青青河边草免费视频观看| 国产A级理论片无码老男人| 国产在线精品成人一区二区三区| 久久国产精品波多野结衣av| 欧美性xxxxx极品少妇直播| jizz国产精品网站| 高清无码色大片中文| 骚虎视频在线观看| 日本a片无码中文字幕电影 | 久久99精品久久久久久| 熟妇人妻中文av无码| 日本孕妇大胆孕交无码| 亚洲成a人片在线观看www| 天下第一社区视频www国语| 巨爆乳中文字幕巨爆区巨爆乳| 蜜桃成人免费视频在线播放| 亚洲成A人片在线不卡一二三区 | 亚洲欧美日韩一区在线观看| 永久免费AV无码网站在线观看| 国产午夜精品理论片| 老师课后辅导乳揉搓h在线观看| 青青青国产精品一区二区| 亚洲成AV人片在线观看无线 | 青春禁区视频在线观看| 又粗又黄又爽视频免费看| 欧美人与动交zozo| 永久在线观看免费视频| 初女模被破流血视频| 亚洲精品~无码抽插| 性无码专区无码| 少妇无码一区二区二三区| 国产无遮挡又黄又爽免费视频| 美女扒开尿眼让男人桶爽视频| 18禁黄久久久aaa片| 中文字幕高清免费日韩视频在线|