国产成人一区二区三区影,无遮挡啪啪摇乳动态图GIF,少妇高潮潮喷到猛进猛出小说,国产AV在线

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>227S乙基胺C2H5NH2氣體檢測管227S Ethyl amine 1-20ppm

乙基胺C2H5NH2氣體檢測管227S Ethyl amine 1-20ppm

簡要描述:

氣體檢測管一氧化碳檢測管,苯檢測管,甲苯檢測管,二甲苯檢測管,氮氧化物檢測管,二氧化硫檢測管,二氧化碳檢測管,氧氣檢測管,氫氣檢測管,氟化氫檢測管,甲醇檢測管,乙醇檢測管,丙酮檢測管,丁酮檢測管,氯苯檢測管,氯乙稀檢測管,三氯乙稀,乙胺檢測管(C2H5NH2)乙基胺C2H5NH2氣體檢測管227S Ethyl amine 1-20ppm

更新時間:2024-10-30

在線留言
乙基胺C2H5NH2氣體檢測管227S Ethyl amine 1-20ppm

乙基胺C2H5NH2氣體檢測管227S Ethyl amine 1-20ppm

Tube No.227S
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 :0.2 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.
CH3CH2NH2+H3PO4→(CH3NH3)2HPO4
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
20
18
16
14
12
10
8 6 4 2 1
100ml
ppm
DEHUMIDIFIER
(White)

227S ETHYL AMINE
Substance Interference Coexistence
Ammonia Similar stain is produced. Higher reading are given.
Other amines 〃〃
(NOTE)
This tube scale is calibrated based on Methyl amine and the same scale is available for Ethyl amine.

快穿之女配尝尽男主H| 色欲国产精品久久毛片AV大全| 色狠狠色噜噜AV天堂五区| 成人午夜视频| 2012国语高清完整版在线观看| 帅气体育生GARY网站MV视频| 性色AV无码久久一区二区三区| 免费无码又色又爽的视频软件| 无码高潮少妇毛多水多水免费| 少妇无码吹潮久久精品AV| 宝贝腿开大点我添添| 后入内射无码人妻一区| 久久精品熟女亚洲AV麻豆| 麻豆免费视频网站入口在线观看| 天天躁日日躁狠狠躁AV中文| 色欲精品人妻AV一区二区三区| 成人电影在线播放| 男女无遮挡XX00动态图120秒| 久久久久久AV无码免费网站下载| 欧美日韩精品一区二区在线播放| 无套内谢的新婚少妇国语播放| 和女H做愛又长又粗| 无码国产精品一区二区免费式直播| 快穿攻略各种男主肉H| 裸身美女无遮挡永久免费视频| 中国A级毛片免费观看| 午夜精品久久久久久久| 中文在线А天堂中文在线新版| 欧美最猛黑人XXXXX猛交| 国产风流老太婆大BBBHD视频| 国产综合精品| 妽妽的下边好紧春雨医生| 国产精品无码不卡一区二区三区| 久久国产加勒比精品无码| 男女激情视频| 多人交换做爰波多野结衣| 国产精品沙发午睡系列| 与亲女洗澡时伦了毛片| 99国产精品久久久久久久成人热| 久久久久成人精品无码| 99精品噜噜噜成人AV|