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>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:2025-12-07

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.

内射人妻无码色av无码| 亚洲AV日韩AV永久无码色欲| 欧美特黄a级高清免费大片a片 | 被三个男人绑着躁我好爽视频| 伊人久久大香线蕉AV一区二区| 国产成人亚洲精品| 亚洲人成绝费网站色WWW| 99V久久综合狠狠综合久久| 久久精品久久久久观看99水蜜桃 | 男女一对一免费视频| xxx少妇厨房xxx乱| 欧美超级乱婬视频播放| 国产精品麻豆成人AV电影| 国产AV永久无码天堂影院| 日本工口里番无遮█彩色GIF| 国产无套内射又大又猛又粗又爽| 国产大学生粉嫩无套流白浆| 国外AV无码精品国产精品| 蜜臀av999无码精品国产专区| 花蝴蝶免费视频直播高清版| 日本无码成人片在线观看波多| 少妇特黄a一区二区三区| juliaann无码丰满熟妇| 色综合久久精品亚洲国产| 久久久久久久97| 亚洲AV午夜成人片精品电影| 久久大香伊蕉在人线国产H| 男男黄gay片免费网站www| 真实国产乱子伦视频| 日本成熟…@视频| www国产成人免费观看视频 | 国语自产一区怡和院| 国产视频一区二区| 日韩欧美激情免费a片影院卜| 日本少妇人妻xxxxx18免费 | 永久免费av无码网站性色av| 国产又粗又猛又大爽又黄 | 中文字幕有码无码人妻AV蜜桃| 人人妻人人澡人人爽人人精品电影| 粉嫩AV久久一区二区三区| 动漫3d成人h无码国漫|