欧美午夜理伦三级在线观看,脱岳裙子从后面挺进去视频,人人妻人人澡人人爽国产一区,欧美大尺寸SUV欧美

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

九色少妇丨porny丨蝌蚪| 天天躁了天天躁了天天躁| 她扒下内裤让我爽了一夜a片| 国产自拍视频| 欧美 亚洲 武侠 另类 动漫| 裸体女人高潮A片裸交| 美女被强行扒开双腿被桶屁股| 亚洲尺码与欧洲尺码区别入口跳转| 中文字幕乱妇无码AV在线| 让少妇高潮无乱码高清在线观看| 亚洲欧美成人无码久久久| 天堂8在线天堂资源bt| 娇小性xxxx摘花hd| 成人在无码av在线观看一| 丁香激情综合久久伊人久久| 母亲动漫1~6全集| 性疼痛tube小坳交hd| 护士夏子的热情夏天| 餐桌下狂c亲女水欧阳凝| 国产片+人+综合+亚洲区 | 免费精品人在线二线三线区别| 日本髙清无码免费视频| 久久久久久精品免费自在自线| 卧底女警张腿迎合交换献身| 床震吃奶摸下成人a片在线观看| 久艾草久久综合精品无码国产| 亚洲国产精品va在线看黑人| 男女多p混交群体交乱a片小说 | 性一交一乱一乱一视频| 18禁老湿机体验区试看120秒| aaa级精品无码久久久国产片| 国产精品揄拍100视频| 从后面挺进岳的玉梅| 69久久夜色精品国产69乱| 无码天堂亚洲国产AV久久| 娇小w搡bbbb搡bbb| 人妻夜夜爽天天爽三区麻豆av| 欧美 亚洲 另类 偷偷 自拍| 成熟女人优雅涵养说说| 狠狠躁夜夜躁人爽碰| jizzjizz少妇亚洲水多|