免费无码成人AV电影在线播放,精品露脸国产偷人在视频,国产成人免费视频,少妇高潮a片无套内谢麻豆传

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>165SA乙硫醇C2H5SH氣體檢知管165SA ETHYL MERCAPTAN 1-160ppm

乙硫醇C2H5SH氣體檢知管165SA ETHYL MERCAPTAN 1-160ppm

簡要描述:

乙硫醇C2H5SH氣體檢知管165SA ETHYL MERCAPTAN 1-160ppm,檢測范圍:苯:20-400mg/m3,丙酮:40-5000ppm,二甲苯:50-1000,丁酮:0.05-5%,甲苯:50-1000 mg/m3,磷化氫:10-200mg/m3,二氧化氮:20-1000 ppm,三氯乙烯:5-300 ppm,氰化氫:0.5-100 ppm,氯乙烯:5-500ppm,硫醇:0.5-10 ppm,二氧化氯:1-20 ppm,溴甲烷:3-100 ppm,臭氧:2-50ppm

更新時間:2025-01-15

在線留言
乙硫醇C2H5SH氣體檢知管165SA ETHYL MERCAPTAN 1-160ppm

乙硫醇C2H5SH氣體檢知管165SA ETHYL MERCAPTAN 1-160ppm

Tube 65SA
1. PERFORMANCE
1) Measuring range :4-160 ppm 2-80 ppm 1-40 ppm
Number of pump strokes :1(100ml) 2(200ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.2 ppm(200ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~20℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Ethyl mercaptan reacts with Palladium sulphate.
C2H5SH+PdSO4→(C2H5S)2Pd+H2SO4
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
80
70
60
50
40
30
20
10
5 2
200ml
ppm
(White)
H2S REMOVER * * H2S remover is effective up to 40 ppm H2S
165SA ETHYL MERCAPTAN
Substance ppm Interference ppm Coexistence
Carbon monoxide 150 Dark grey stain is produced.
Ethylene 200
Hydrogen sulphide 40 Dark brown stain is produced.
Acetylene Pale brown stain is produced
Methyl mercaptan Reddish yellow stain is produced.
Methyl sulphide 1 Lower readings are given.
Nitrogen dioxide 1 〃
Chlorine 0.2 〃
(NOTE)
1)Max. 40 ppm of Hydrogen sulphide is eliminated by pretreat reagent.
2)In case of 1 or 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=Temperature corrected value×
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20-40℃
(ppm) (32°F) (50°F) (68-104°F)
80 91 85 80
70 80 75 70
60 69 64 60
50 57 53 50
40 45 42 40
30 33 31 30
20 21 20 20
2
Number of strokes

特黄做受又硬又粗又大视频18| 老牛嫩草一区二区三区| 日韩欧美亚洲国产精品字幕久久久| 男男gay做爽爽的视频| 中文日产乱幕九区无线码| 欧美黑人性暴力猛交喷水| 好想被狂躁a片免费久99| 日本少妇高潮日出水了| 精品人妻无码一区二区色欲产成人| 亚洲AV永久无码一区二区三区| 国产精品女人呻吟在线观看| 欧美牲交a欧美牲交aⅴ久久| 四虎精品免费永久免费视频| 激情亚洲一区国产精品| 精品国产自在天天线2019| 国产精品ⅴ无码大片在线看 | 国模裸体无码XXXX视频| 国产精品久久毛片a片| 人妻斩り56歳无码| 色情推油按摩g点高潮无码视频| 日日摸天天碰中文字幕你懂的| 无码av久久久久久久久| julia ann 精品艳妇| 国产精品美女久久久网av| 免费在线观看成人电影| 亚洲jizzjizz中国少妇| 国产一区二区三区成人欧美日韩在线观看| 精品久久久久中文字幕| 熟女少妇在线视频播放| 小电影在线观看 黄| 中文字幕无码av波多野吉衣| 国产精品美女久久久网av| 永久免费精品精品永久-夜色| 亚洲日本中文字幕乱码在线| 八戒八戒在线播放免费观看| 少妇装睡让我滑了进去| 亚洲国产精品第一区二区| 欧美人与动牲交片免费| 99久久久免费精品国产| 欧美美女人体艺术| 久久国产精品77777|