久久久久久精品成人免费图片,(原创)露脸自拍[62p],免费60分钟床,国内最真实的xxxx人伦

產品列表PRODUCTS LIST

首頁>產品中心>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,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確測量。

更新時間:2025-01-08

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

人体内射精一区二区三区| 行尸走肉第六季在线观看| 成av免费大片黄在线观看| 久久久久久精品免费自在自线| 噜噜狠狠色综合久色a站网址| 性兴奋流出来白色粘稠液体 | aaa级精品无码久久久国产片| 国产片xxxxa片国语对白| 久久妇女高潮喷水多长时间 | 久久精品国产亚洲av香蕉高清| 年轻护士的滋味中文字幕| 国产福利视频在线观看| 国产精品v欧美精品v日韩精品| 无需付费看美女直播的软件| 天美传媒av妇女干部| 色戒电影未删减完整版免费观看 | 日韩av无码| 黑人bbcvideos极品| 最新无码网站在线观看| 天天躁日日躁aaaaxxxx| 国产综合在线观看| 奇米综合四色77777久久麻豆| 亡は夫の上司最美人妻| 丰满人妻妇伦又伦精品app| 午夜福利在线观看| 中国妇被黑人xxx猛交| 苏桃的骚乱文肉np| 欧美视频| 精品亚洲成a人在线观看| 我和公发生了性关系怎么办 | 灌满精撞击小腹鼓起h| 亚洲国产精品久久人人爱| 88蜜桃人妻无码精品系列| a级毛片无码久久精品免费| 高h粗口调教羞辱sm文女王| 天堂中文在线资源库 | 国产免费av| 妈妈的朋友在线| 少妇一晚三次一区二区三区| 鲁一鲁一鲁一鲁一澡| 国产精品无码中文在线av|