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:2025-01-15

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.

被强到爽的邻居人妻完整版| 欧美艳星nikki激情办公室| 国产一区二区三区精品视频| 少妇被粗大猛进进出出| 日本高清一区二区三区| 久久久久久午夜成人影院| 无码精品久久久久久人妻中字| 激情欧美日韩一区二区| 黑人巨大精品欧美一区二区免费 | 手机在线看永久av片免费| 国产精品亚洲А∨无码播放| 人妻无码久久中文字幕专区| 99久久久无码国产精品免费砚床| 熟妇人妻一区二区三区四区| 久久永久免费人妻精品直播| 日日噜噜夜夜狠狠久久AV| 亚洲无AV在线中文字幕| 国产98在线 | 日韩| 囯产香蕉97碰碰碰视频在线观看| 欧美乱强伦XXXXX高潮| 自拍偷在线精品自拍偷99| 国产suv精品一区二人妻| 国产超碰人人做人人爽AV| MM1313亚洲精品无码久久| 99久久久无码国产精品性| 日本丰满少妇高潮呻吟| 婷婷五月六月激情综合色中文字幕 | 久久久久AV综合网成人| 久久精品女人天堂AV麻| 中国a级毛片免费观看| 无人区高清视频在线观看| 亚洲国产精品一区二区WWW| 蜜桃AV无码国产丝袜在线观看| 亚洲av熟女国产一区二区三区| 人妻少妇伦在线电影| 日韩精品无码熟人妻视频| 古装a级野外爱做片视频| 男女边吃奶边做边爱视频| 男男大尺度无码a片在线观看| 国产精品国产三级国产a| 国产JJIZZ女人多水喷水|