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>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

国产精品亚洲精品日韩已满| 无码专区AAAAAA免费视频| 女女互揉吃奶揉到高潮视频| 在教室伦流澡到高潮hgl视频| 精品久久久久久中文字幕| 最新亚洲人成网站在线观看| 亚洲av日韩精品久久久久久a| 香港a级毛片经典免费观看| 国产精品久久久久久亚洲| 欧美裸体xxxx极品少妇| 机机对机机的30分钟免费软件| 国产在线拍揄自揄拍免费下载| 国产精品久久久久久久久久免费| 欧产日产国产精品| 欧美直播APP| 亚洲av无码久久| 无码熟妇人妻AV在线影片最多| 精品国产制服丝袜高跟| 国产精品久久人妻无码网站仙踪林| 人妻丰满AV无码久久不卡| 国产第一页屁屁影院| 桃花免费高清在线观看视频| 亚洲中文字幕无码爆乳av| 三级在线看中文字幕完整版| 久久免费看少妇高潮a片特无毒| videosgrati欧美另类| 亚洲 欧美 国产 日韩 精品| 国产精品99精品无码视亚| 国产成人精品一区二区三区 | 国产精品国产三级国产a| 999国内精品永久免费视频| 国产777涩在线 | 美洲| 国产精品人人妻人人爽| 国产一区二区三区四区精华| 久久久久99精品成人片a片试看 | 成人性生交大片免费看中文| 人妻熟妇乱又伦精品视频中文字幕| 中文字幕人乱码中文字幕| 国产一区二区三区在线播放| 久久国产精品久久久久久| 荡女妇边被C边呻吟久久网|