亚洲精品一区二区三区中文字幕,23部禽亲女小丹慢慢张开双,妺妺窝人体色www在线下载,xxxx丰满小少妇女高潮

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(shí)間:2025-01-01

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

国精产品一码二码三m| 东北50岁熟妇露脸在线| 国产中年熟女高潮大集合| 色狠狠一区二区三区香蕉| 丰满乳亲伦小说| 天天躁日日躁狠狠躁欧美老妇小说| 亚洲av无码专区在线观看下载| 玩弄chinese丰满人妻videos| 和朋友换娶妻a2020| 精品熟女少妇av免费久久| 夜精品无码a片一区二区蜜桃| 国产精品xxxx国产喷水| 超碰97免费人妻| 公开高潮当众露出羞耻h| 狠狠躁夜夜躁人人爽| 欧美人与性动交ccoo| 精品久久久久久无码人妻中文| 色哟哟免费精品网站入口| 国产gv天堂亚洲国产gv刚刚碰| 一女被五六个黑人玩坏视频| √最新版天堂资源网在线| 特黄做受又粗又大又硬老头| 老师上课没戴奶罩看到奶头| 嫦娥仙子含精肉臀迎合| 久视频精品免费观看99 | 精品国产三级a∨在线| 黑人巨大vs日本人优在线| 中国videosex高潮对白| 四川少妇bbw搡bbbb槡bbbb| 99久久国产极品蜜臀av酒店| 我的sm经历1一25章| 国产精品女a片爽爽波多洁衣| 欧美18videosex极品| 太粗太硬小寡妇受不了视频| 久久影院看电影的网站推荐| 换着玩人妻hd中文字幕| 国产真实老头老太bbwbbw| 成av人片一区二区三区久久| 短篇公车高h肉辣全集目录| 少妇洁白无删减版178章| 免费观看a级毛片|