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

国产精品一区二区久久不卡| 性xxxx欧美老妇胖老太| 少妇熟女久久综合网色欲| 97精品伊人久久大香线蕉| 日韩人妻一区二区三区免费| 亚洲av无码一区二区二三区软件 | 日韩精品人妻一区二区三区四区| 97丨九色丨国产人妻熟女| 国产98色在线 | 日韩| 中文字幕精品久久久乱码乱码| 中文在线中文资源| 放荡的小峓子喂奶在线观看| 玩丰满熟妇XXXX视频| 人妻免费久久久久久久了| 国精无码欧精品亚洲一区| 国产99久久久久久免费看 | 国产av剧情md精品麻豆| 宝宝好涨水快流出来免费视频| 777亚洲精品乱码久久久久久| 日本少妇xxx做受| 人人妻人人爽人人澡欧美一区| 人妻VA精品VA欧美VA| 中文文字幕文字幕亚洲色| 后入内射国产一区二区| 金瓶梅1-5电影免费观看在线| 欧美性生交xxxxx久久久| 亚洲高清成人av电影网站| 人妻丰满熟妇岳av无码区hd| 亚欧洲精品在线视频免费观看| 天堂传媒公司宣传片视频| 国产九九久久99精品影院| 办公室撕开奶罩揉吮奶头H文视频| 少妇人妻系列1~100| 欧美VIVO2018| 少妇XXXXX性开放| 青青河边草免费视频观看| 国产精品麻豆成人AV电影| 午夜香吻高清观看视频在线| 成全视频在线观看在线播放高清| 亚洲妇女无套内射精| 最新国产精品福利2020|