无码欧美xxxxx在线观看裸,麻豆影视在线直播视频,久久夜色精品国产亚洲av动态图,色欲av午夜一区二区三区

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異丙基硫醇(CH3)2CHSH氣體檢測管130U ISOPROPYL MERCAPTAN 0.5-1

異丙基硫醇(CH3)2CHSH氣體檢測管130U ISOPROPYL MERCAPTAN 0.5-1

簡要描述:

異丙基硫醇(CH3)2CHSH氣體檢測管130U ISOPROPYL MERCAPTAN 0.5-10ppm,便攜式氣體檢測管異丙基硫醇檢測管((CH3)2CHSH)被檢物質(zhì)和化學(xué)式檢測管型號和名稱 抽氣顏色變化。實(shí)際上,共存氣體對目標(biāo)氣體的干擾是比較復(fù)雜的,但在大多數(shù)情況下,只有*種情況出現(xiàn)的較多,異丙(基)硫醇;2-丙硫醇;Isopropyl mercaptan

更新時間:2025-03-11

在線留言
異丙基硫醇(CH3)2CHSH氣體檢測管130U ISOPROPYL MERCAPTAN 0.5-1

異丙基硫醇(CH3)2CHSH氣體檢測管130U ISOPROPYL 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(100ml)
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

亚洲男同帅gay片在线观软件| 久久ER热在这里只有精品66 | 国产va免费精品观看| 人妻换人妻互换a片爽电影| 又黄又爽又猛1000部a片| 午夜精品久久久久久久| 桃子视频免费完整版在线观看 | 传家在线观看免费观看完整版| 把腿扒开让我添30分钟视频| 免费啪啪a片aaaa片老太婆交| 精品人妻无码一区二区色欲产成人 | 妈妈的朋友在线观看| eeuss影院www在线观看| 5566视频一区二区三区| 色窝窝无码一区二区三区色欲| 韩国a片巜上司与的人妻| 国产免费观看黄av片| 少妇无码一区二区三区免费| 亚洲性视频| 国产女人的高潮国语对白入口| 色YEYE香蕉凹凸视频在线观看 | 97夜夜澡人人爽人人喊中国片| 免费无码国产v片在线观看| 亚洲午夜久久久久妓女影院| 久久综合亚洲欧美成人| 蜜桃av抽搐高潮一区二区| 国产sm调教视频在线观看| 久久精品丝袜高跟鞋| 亚洲国产成人高清在线观看| 免费国产AV在线观看| 亚洲国产一区二区三区在线观看| 亚洲av乱码一区二区三区按摩| 亚洲熟妇无码八av在线播放| 国模吧无码一区二区三区| 放荡的丝袜人妻老师| 人妻出轨和黑人疯狂做国产人| 99久久人妻无码精品系列蜜桃| 成全视频在线观看免费高清版| 人妻少妇久久中文字幕一区二区| 亚洲欧美在线观看| 23部禽女乱小说内裤畸情视频 |