韩国三级中文字幕hd久久精品,国厂偷拍,精品国内自产拍在线观看,冷傲总裁被肉到失禁h

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>130U乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

簡要描述:

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm,有限空間氣體檢測箱可檢測:一氧化碳25-1000ppm,二氧化碳0.05-3%,硫化氫1-100ppm,二氧化硫0.0001-0.01%,氨氣0.0001-0.01%,苯20-400mg/m3,氮氧化物5-100mg/m3,汽油50-1000mg/m3,氯氣1-30mg/m3,氯化氫1-30mg/m3,有機(jī)氣體定性,無機(jī)氣體定性。

更新時(shí)間:2025-10-28

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

Tube 30U
1. PERFORMANCE
1) Measuring range :1-10 ppm 0.5-5 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100mr)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by Methyl mercaptan at 1 pump stroke
7) Colour change :Pale yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric cholride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCI2→RS(HgCI)+HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS ???? To pump
5
4
3
2
1
0.5
100ml
ppm
(White)
DEHUMIDIFIER
130U ETHYL MERCAPTAN
Substance Interference Coexistence
Arsine Similar stain is produced. Higher readings are given.
Hydrogen selenide 〃〃
Phosphine 〃〃
Hydrogen sulphide 〃
Hydrogen cyanide Whole reagent is changed to Red. 〃
Whole reagent is changed to
Sulphur dioxide Pale red, but Pink stain indicates
Mercaptans conc.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value

高潮h跪趴扩张调教喷水小叶| 国产一区二区三区精品| 99久久毛片免费观看| 国产又粗又猛大又黄又爽的动漫 | 国产igao激情在线视频入口| 自拍偷拍欧美专区| 日韩电影vー区二区国语版免费版| 看欧美大鸡巴操骚逼一区| av岛国片在线观看| 黑森林国产在线导航一区| 女同志videos粗暴另类| 亚洲精品中文字幕无码AV| 久久精品999国产亚洲| 乱人伦人妻中文字幕在线入口| 亚洲8区| 亚洲变态另类调教久久久| 成人无码在线五月天丁香| 日本AⅤ精品无码黄皮片| 久久天天躁狠狠躁夜av| 国产大学生毛片| 91精品国产综合久久久久久粉嫩 | 偷拍视频一区久久久久久| freehdxxxx∨deos| 夫夫调教双性h| 大香蕉99久久精品视频| 一个色综合高清在线观看| 韩国理伦三级做爰在线| 美女高潮无套内谢校花视频| Japan丰满极品人妻Hp| 免费看亚洲黄色电影| ass中国护士欣赏pics| 黄色激情婷婷| 91国语自产拍在线观看| 三年片在线观看免费播放| 日韩三极片在线免费播放| 亚洲婷婷五月天| freefronvideo性美国| 男男被狂揉下部羞羞动本子| 大陆极品少妇内射aaaaaa| 小说国产精品小说图片区| aaaaaaa亚洲|