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>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:2025-01-15

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

小雪被老外黑人撑破了视频 | 强奷人妻日本中文字幕| 99久久99久久精品国产片| 欧美激情国产精品视频一区二区| 人妻无码中文专区久久五月婷| 又湿又紧又大又爽又A视频| 爆乳2把你榨干哦ova在线观看| 精品乱码一区二区三区四区| 欧美激情乱人伦| 小蓝视频男男勇敢做自己最新 | 亚洲综合久久成人a片| 中文无码亚洲精品字幕| 久久婷婷五月综合色丁香| 18无码av精品一区二区三区| 欧美白人最猛性xxxxx| 欧美性狂猛xxxxxbbbbb| 日本丰满少妇bbb视频| 国产精品欧美一区二区三区不卡 | 无码熟妇人妻av在线网站| 久久免费看少妇高潮V片特黄| 人妻被按摩到潮喷中文字幕| 欧美激情一区二区三区| 日韩电影一区二区三区| 在线精品亚洲一区二区| 少妇特殊按摩高潮惨叫无码 | 久久精品国产99久久久香蕉| 男女猛烈激情XX00免费视频| 糖心vlog免费入口进入| fba欧美专线| 国产办公室gv西装男| 国产一区二区三区精品| 6080YYY午夜理论片中无码| 人妻少妇偷人精品视频| 无套内谢少妇毛片a片| 欧美日韩亚洲国产精品| 暴力调教一区二区三区| 久久久国产精品免费a片3d| 中文在线 | 中文| 国产精品无码电影在线观看| heyzo无码综合国产精品| 精品国产免费一区二区三区|