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:2025-10-29

發(fā)郵件給我們:554328895@qq.com

分享到: 1
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

家庭乱视频在线免费观看| 女人做爰高潮呻吟娇喘动| 亚洲女同精品一区二区| 白后进极品翘臀在线播放| 日韩欧美中文视频| 91国语自产拍在线观看| xuanxuan在线观看| 亚洲第一aaaaa片| 久久久久久精品影院亚洲| 练气十万年免费观看完整版高清全集 | 精品国产理论一区二区电影| 亚洲AV无码专区国产乱码电影| 欧美精品reislin| 亚洲欧美另类日本人人澡| 五月婷婷之激情| 亚洲欧美一区二区视频。| 久激情内射婷内射蜜桃| 色老头精品午夜福利视频| 最近2019中文字幕大全第二页| 老湿机免费试看| 呦呦系列精品入口| 热の综合热の国产| 亚洲精品久久久久久人妖| 少妇人妻系列1~100集| 国产久久久久黑人| 亚洲熟女50p| 精品国内自产拍在线观看| 一区亚洲人妻| 国产精品videossex| 日韩三极片在线免费播放| 被老乞丐玩的校花h文| 裸体作爱bbbbbbbbb| 呻吟揉捏秘书h| 色综合久久久久综合99| 久久久久久国产精品免费免费| 亚洲中字幕女| 下面被别人摸好爽| 丁香婷婷亚洲综合| 26uuu亚洲综合色欧美| 极品女神魔鬼大长腿啪啪| 国产精品久久久久久久新郎|