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>165SB乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm

乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm

簡要描述:

乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm,有限空間氣體檢測箱,用于有限空間現(xiàn)場不明氣體的快速定性及定量測定:氣體快速定量檢測管各1包,包括CO,H2S,SO2,NH3,HCl,CO2,Cl2,苯,汽油等物質(zhì)檢測管,提供危險(xiǎn)化學(xué)品事故現(xiàn)場處置方案、隔離距離和防護(hù)距離的“應(yīng)急輔助信息"查詢功能;提供危險(xiǎn)化學(xué)品詳細(xì)特性和應(yīng)急輔助信息查詢結(jié)果。

更新時(shí)間:2025-01-01

在線留言
乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm

乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm

1. PERFORMANCE
1) Measuring range :5-80 ppm 2.5-40 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :30 minutes/ 1/2 pump strokes
3) Detectable limit :1 ppm(100ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1/2 pump strokes
7) Colour change :Yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low: 15 % RSD-mid.: 10 % RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric chloride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCl2→C2H5S(HgCl)+HCl
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
80
60
40
20
10
5
50ml
ppm
GAS To pump
(White)
DEHUMIDIFIER
Tube 165SB ETHYL MERCAPTAN
127
Substance Interference ppm Coexistence
Hydrogen sulphide Similar stain is produced. Higher readings are given.
Phosphine 〃〃
Other mercaptans 〃〃
Arsine 〃〃
Hydrogen selenide 〃〃
Hydrogen cyanide 〃〃
Nitrogen dioxide
The accuracy of readings is Lower readings are given.
 affected
Ammonia 〃〃
Sulphur dioxide 〃
In case of 1 pump strokes, divide the tube reading by 2.

 
亚洲一区二区三区av天堂| 啊轻点灬大巴太粗太长了视频免费| 国产精品一区二区三区| 啊灬用力灬啊灬啊灬啊灬a片男男| 无码人妻丰满熟妇区五十路百度| 玩弄chinese丰满人妻videos | 精品香蕉一区二区三区| 久久鸭和久久丫是不是一个品牌| 蜜臀av在线播放| 娇妻被朋友日出白浆抖内| 亚洲色成人网站www永久四虎| 国产精品毛片无遮挡高清| 无遮挡100禁图片| 公与淑婷厨房猛烈进出| 扒开老女人毛耸耸视频| 一天高潮四次还想要| 羞羞视频| 无码少妇一区二区| 性videostv另类极品| 东北女人毛多水多牲交视频| 国产精品一区二区av| 两个人免费完整版在线观看视频| 欧美性受xxxx白人性爽| 公的下面好大弄得我好爽 | 太粗大进不去倒刺带钩| 久久aⅤ无码av高潮av喷吹| 人妻精油按摩bd高清中文字幕| 草草浮力影院| 女友的妺妺6中文字幕| 两根巨物一起三p白洁| 蜜桃av噜噜一区二区三区视频 | 大肉大捧一进一出视频| 处破女轻点疼丨98分钟| 人与善性猛交xxxx| 97精品超碰一区二区三区 | 中文无码精品一区二区三区| 俄罗斯丰满少妇bbwbbw| 奇米网777四色首页 | 亚洲av无码av制服丝袜在线 | 老熟女毛茸茸浓毛| 波多野结衣av|