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管>氣體快速檢測管>173SA氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

簡要描述:

氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm,豫東科技是專業(yè)生產(chǎn)各種比長式氣體檢測管,比長式氣體檢測管在不用任何能源,電源的情況下,能夠快速檢測,具有操作簡單,攜帶方便等特點(diǎn),并可在空氣中對(duì)有害氣體的檢測.可對(duì)有限空間氣體快速準(zhǔn)確測量。

更新時(shí)間:2025-03-10

在線留言
氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

Tube 73SA

1. PERFORMANCE
1) Measuring range :40-1,200 ppm 20-600 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Purple→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting witl alkali, PH indicator is discoloured.
HCI+NaOH→NaCI+H2O
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
??????
GAS To pump
DETECTOR TUBE
(white)
DEHUMIDIFIER TUBE
600
500
400
300
200
100
100
20
100ml
ppm
173SA HYDROGEN CHLORIDE
Substance Interference ppm Coexistence
Sulphur dioxide Yellow - Pink double - layer stains are
FIG.1 Yellow stain is produced. pHroyddruocgeedn a cnhdlo trhidise p cinokn csetanitnra intiodnic.ates
Chlorine 〃
Hydrogen sulphide 500 The accuracy of readings is not affected.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value
0
600
400
200
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide

国产99久久久国产精品潘金莲| 久久久久99精品成人片直播| 扒开腿狂躁女人视频免费| 亚洲成a人片在线观看中文 | 97夜夜澡人人双人人人喊| 欧美96在线 | 欧| 色噜噜久久综合伊人超碰| 性少妇VIDEOXXX欧美69| 日日噜噜噜噜夜夜爽亚洲精品| 免费国产黄网站在线观看可以下载| 97超级碰碰碰免费公开在线观看| 色哟哟国产精品免费观看| 久久精品国产亚洲av网站| 精品国产一区二区三区四区色欲| 亚洲V国产V天堂A无码二区久久| 18禁美女黄网站色大片免费观看| 免费人成视频x8x8入口app| 伊人成色综合人夜夜久久 | 日日碰狠狠躁久久躁| 美女视频黄是免费| 亚洲AV综合AV一区二区三区| 久久综合伊人77777麻豆 | 国产精品日本一区二区在线播放| 久久久久久精品免费看sss| 国产AV无码专区亚洲AV毛片费 | 亚洲一区二区观看播放| 亚洲AV永久无码精品国产精品| 久久欧美牲大无无码毛片| 国产精品天堂avav在线| 娇妻中日久久持久久| 亚洲精品一区二区丝袜图片| 久久久久久精品免费免费WEI| 欧美成人在线视频| 精品少妇人妻AV一区二区| 亚洲 暴爽 AV人人爽日日碰 | 日韩a∨精品日韩在线观看| 久久久亚洲欧洲日产国码农村| 狼群社区在线观看免费完整版| 久久爱综合久久爱久久爱| 69久久无码一区人妻A片| 日本无码欧美激情视频二区|