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(cè)管>氣體快速檢測(cè)管>222S二乙胺(C2H5)2NH氣體檢測(cè)管222S DIETHYL AMINE 1-20ppm

二乙胺(C2H5)2NH氣體檢測(cè)管222S DIETHYL AMINE 1-20ppm

簡要描述:

二乙胺(C2H5)2NH氣體檢測(cè)管222S DIETHYL AMINE 1-20ppm 總代理銷售日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管,提供日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管介紹,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管應(yīng)用,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管價(jià)格,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管說明書,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管售后服務(wù),日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測(cè)管中國總代理

更新時(shí)間:2025-03-10

在線留言
二乙胺(C2H5)2NH氣體檢測(cè)管222S DIETHYL AMINE 1-20ppm

二乙胺(C2H5)2NH氣體檢測(cè)管222S DIETHYL AMINE 1-20ppm

Tube No.
222S
1. PERFORMANCE
1) Measuring range :1-20 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.3 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale purple→Pale yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with phosphoric acid, PH indicator is discoloured.
2(CH3)3N+H3PO4→〔(CH3)3NH〕2HPO4
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DEHUMIDIFIER
(White)
20
2 1
468
10
12
14
16
18
222S TRIMETHYL AMINE
Substance Interference Coexistence
Ammonia Similar stains are produced Higher readings are given.
Other amines 〃〃
(NOTE)
This tube scale is calibrated based on Diethyl amine and same scale is available for Trimethyl amine.

 
日本精品无码特级毛片| 成人无码亚洲精品啪啪网站| 久久久久久精品免费看sss| 欧洲无码一区二区三区在线观看 | 日产PATHFINDER国产| 国产成人亚洲精品无码A大片| 曰本女人与公拘交酡免费视频| 国产XXX农村乱另类| 玉女阁第一精品导航| 蜜臀AV色欲A片无码精品一区| 国产精品视频人人做人人爽| 凹凸国产熟女精品视频国语| 久久国产精品99久久久久久| 国产精品高潮呻吟AV久久96| 欧美性欧美巨大黑白大战| 中文字幕人妻无码一区二区三区| 国产精品久久久久9999吃药| 精品一区二区三区四区在线观看 | 国产AV精品一区二区三区视频| 极品人妻老师的娇喘呻吟| 精品国产黑色丝袜高跟鞋| 驯服人妻hd中字日本| 亚洲6080yy久久无码国产| a级毛片免费观看在线播放| 99精品人妻无码专区在线视频区| 日韩电影免费在线观看网址| 久久99精品国产麻豆蜜芽| 成人性生交大片免费看9| 精品人妻无码一区二区三区性| 天天人人爽人人爽人人爽动漫 | 国产精品成熟老女人| 久久久久亚洲av无码永不| av无码久久久久久不卡网站| 国产人妻人伦精品无码.麻豆| 免费看无码自慰一区二区| 亚洲熟妇av一区二区三区宅男| 亚洲熟妇色自偷自拍另类| 久久成人国产精品| 欧美肉欲k8播放毛片| 日本japanese熟睡人妻| 绝伦の上司に一晚人妻|