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

氨氣測(cè)毒管105SC AMMONIA NH3 5-260ppm

簡(jiǎn)要描述:

氨氣測(cè)毒管105SC AMMONIA NH3 5-260ppm,

更新時(shí)間:2025-01-15

在線留言
氨氣測(cè)毒管105SC AMMONIA NH3 5-260ppm

氨氣測(cè)毒管105SC AMMONIA NH3 5-260ppm

Tube 05SC
1. PERFORMANCE
1) Measuring range :10-260 ppm 5-130 ppm
Number of pump strokes 1(100mr) 2(200mr)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.5 ppm(200mr)
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.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
2NH3+H3PO4→(NH4)2PO4
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
10
20
40
60
80
100
120
140
160
180
200
220
240
260
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SC AMMONIA
Substance Interference ppm Coexistence
Amines Similar stain is produced. Higher readings are given.
Sulphur dioxide NH3conc.×1/3 Lower readings are given.
Chlorine 2 〃
(NOTE)
In case of 2 strokes, the following equation is available for the actual concentration.
Actual concentration=1/2×Reading value.
www.r-biopharm.com.cn

久久精品国产亚洲av高清色欲| 色AV综合AV综合无码网站| 免费无码又爽又刺激a片涩涩软件| 免费看片a级毛片免费看| 熟女国产精品视频一区二区三区 | 四川少妇被弄到高潮| 国产精品视频色拍拍| 久久久久亚洲av片无码| 国产免费av片在线观看| 国产精品久久人妻无码网站仙踪林 | 久久精品国产亚洲av无码偷窥| 人妻丰满精品一区二区a片| 最新欧美精品一区二区三区| 蜜臀av国产精品久久久久| 国产精品无码翘臀在线观看 | 国产精品美女久久久久久久| 女人被强╳到高潮喷水在线观看| 亚洲av无码一区二区三区人| 又硬又水多又坚少妇18P| 免费a级毛片18禁网站app| 亚洲国产精品久久一线不卡| 少妇特黄a一区二区三区| 鬼父在线视频观看| 欧美孕妇xxxx| 国内精品久久久久精免费| 我的妺妺H伦浴室无码视频| 久久久久亚洲精品男人的天堂 | 久久久99久久久国产自输拍| 中文字幕无码日韩专区免费| 久久精品人人做人人爽电影 | 国产乱人偷精品人妻a片| 一面亲上边一面膜下边的免费 | 久久久国产精品免费a片3d| 人妻哺乳奶头奶水| 久久婷婷五月综合色丁香| 欧美野外疯狂做受xxxx高潮| 性生生活20分钟免费| 无码人妻丰满熟妇区五十路百度| 国产精品麻豆va在线播放| 免费十大禁用软件安装下载| 欧美激情综合色综合啪啪五月|