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

成人视频在线观看| 国产成人一区二区三区在线| 国产精品日本一区二区在线播放 | 亚洲av激情无码专区在线播放| 女性自慰特黄a片免费看 | 欧美三级a做爰在线观看| 日韩欧美在线综合网| 亚洲av本道一区二区三区四区| 日本三级在线观看免费| 欧美疯狂做爰3xxx高清 | 亚洲精品一区二区三区中文字幕| 99久久久无码国产精品| 日本动态120秒免费| 国产精品无码AV无码| 国产在线 | 日韩| 99国产精品成人av片免费看| 色偷偷色噜噜狠狠成人免费视频| 老熟妇高潮一区二区三区无码| 国产亚洲日韩欧美另类丝瓜app| 狂躁美女大bbbbbb视频| 亚洲va中文字幕无码毛片| 久久精品水蜜桃av综合天堂| julia ann 精品艳妇| 波多野结衣人妻厨房大战| 久久久久久av无码免费网站下载| 久久久久人妻一区二区三区| 99久久人人爽亚洲精品美女| 放荡的丝袜人妻老师| 亚洲国产综合久久久精品| 1000部精品久久久久久久久| 天天躁日日躁狠狠躁人妻| 亚洲AⅤ无码专区在线观看Q| 精品一线二线三线区别在哪| 狠狠亚洲婷婷综合色五月五月色| 亚洲精品无码国产| 无码人妻精品一区二区三区在线| 久久综合狠狠综合久久| 久久久无码av精品亚洲a片软件 | 欧美+日本+国产+在线观看| 自拍偷在线精品自拍偷无码专区| 锦衣之下免费观看电视剧完整版 |