精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看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,有機氣體定性,無機氣體定性。

更新時間:2025-03-10

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

亚洲国产精品一区二区久久HS| 国产日韩AV免费无码一区二区| 国产精品久久久久9999高清| 午夜a片免费| 麻豆国产人妻欲求不满谁演的| 欧美30.40.50熟妇性无码| 无码人妻AV一区二区三区| 一区二国产好的精华| 农村熟妇高潮精品a片| 欧美老熟妇乱子伦视频| 免费a级毛片18禁网站app| 精品无码久久久久久国产百度| 亚洲综合一区二区三区无码| 国产片+人+综合| 中文字幕人妻被公上司喝醉| 日韩a∨精品日韩在线观看| 国产成人影院一区二区三区| 天堂AV无码一区二区三区| 日本妇人成熟a片免费现看| 寂寞人妻瑜伽被教练日| 麻豆AV天堂一区二区香蕉| 国产成人久久777777| 欧美白人最猛性xxxxx| 国产不卡一区二区| 我的邻居是bj无删减漫画免费看 | 久久天天躁狠狠躁夜夜avapp| 无码国产激情在线观看| 7777精品伊久久久大香线蕉| 久久熟妇人妻午夜寂寞影院| 亚洲和欧洲一码二码区别在| 中文字幕人妻紧无码专区| 中文字幕人成无码人妻| 精品国产一区二区三区无码 | 高中女学生破苞视频免费| 成人免费又大又爽a片视频| 成人做爰免费视频免费看| 入禽太深免费完整版电影| 无码中文字幕一区二区三区| 一本一本久久a久久精品综合麻豆| 国产色情老熟女NBA控卫之神| 亚洲av无码精品色午夜|