丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

產品列表PRODUCTS LIST

首頁>產品中心>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:2025-11-19

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

永久免费看a片无码网站宅男| 亚洲av无码专区在线观看亚| 嫩草av久久伊人妇女超级a| 国产伦精品免编号公布| 国产无遮挡无码视频免费软件| 欧美性猛交XXXXX按摩欧美 | 适合女士自慰时看的黄文| 国产成A人亚洲精V品无码| 国产亚洲日韩欧美另类丝瓜app| 无码少妇一区二区三区| 日本精品少妇一区二区三区| 国产成人精品A视频一区| 人妻熟妇乱又伦精品视频| 午夜爱爱爱爱爽爽爽视频网站| 2021少妇久久久久久久久久| 亚洲av永久无码精品水牛影视| 脱了内裤猛烈进入a片视频免费| 机机对机机的30分钟免费软件| 色偷偷偷久久伊人大杳蕉| 久久精品国产亚洲AV无码娇色| 精品欧美一区二区三区久久久| 92国产精品午夜福利| 欧美高清vivoes69| 影音先锋人妻啪啪av资源网站| 国产手机精品一区二区| 男朋友舌头伸进去添好爽视频| 亚洲欧美精品午睡沙发| 国产精品h片在线播放| 欧美三级乱人伦电影| 日韩精品无码一区二区中文字幕| 国产国产人免费人成免费视频| 囯产精品一区二区三区线| 国产精品夜夜春夜夜爽久久小 | 国产人成无码视频在线观看 | 亚洲 欧美 清纯 校园 另类| 欧美精品久久久久久久自慰 | 强奷漂亮少妇高潮A片| 久久婷婷五月国产色综合| 在线精品亚洲一区二区| 日本少妇高潮喷水xxxxxxx| 成人精品视频www观看天堂|