国产精品久久久久久无码专区,日本免费无码一区二区到五区,gogogo日本免费观看视频,亚洲av综合色区无码一区爱av

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),并可在空氣中對有害氣體的檢測.可對有限空間氣體快速準(zhǔn)確測量。

更新時間:2024-12-10

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

深度肠交fisting狂叫| 小娟翁止熄痒禁伦短文合集俏佳人| 欧美老妇大p毛茸茸| 老师的粉嫩小又紧水又多a片视频| 极品粉嫩国产18尤物在线播放| 俄罗斯丰满少妇bbwbbw| 公和我边做饭边做好爽| 女学生小嫩嫩无遮挡| 欧美激情综合五月色丁香| 亚洲中文字幕无码久久2021| 无码爽大片日本无码aaa特黄| 在线天堂中文最新版网| 少妇又色又紧又爽又刺激视频| 色婷婷亚洲精品天天综合影院| 偷玩同学漂亮麻麻张嫣| 人善交videos欧美| 欧美丰满白bwbwxxhd| 国产伦精品一区二区三区视频| 老宋翁熄高潮怀孕| 被群cao的合不拢腿h纯肉视频| 国产精品毛片一区二区| 少妇高潮一区二区三区99| 怀孕高潮潮喷大肚子孕妇| 国产精品国产精品国产专区不卡| 国产日韩欧美一区二区东京热| 国产av无码专区亚洲av| 国产传媒18精品免费观看| 精品人妻码一区二区三区| 日本va欧美va欧美va精品| 亚洲国产精品无码专区| 日本精品人妻无码免费大全| 欧美熟妇另类久久久久久多毛| 久久夜色精品亚洲av三区| 国精产品一区一区三区有限公司| 国内精品视频一区二区三区八戒| 久久综合伊人77777麻豆| 亚洲爆乳无码精品aaa片蜜桃| 24小时在线看免费观看直播| 精品丰满人妻无套内射| 亚洲爆乳无码精品aaa片蜜桃| 先の欲求不満な人妻在线|