丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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

欧美老妇交乱视频| 亚洲永久无码7777kkk| 最新亚洲人成网站在线观看| 亚洲乱码国产乱码精品精| 一本一道人人妻人人妻ΑV| 欧美人妻www无码国产黄漫| 久久婷婷五月综合色国产香蕉| 日本成A人片在线播放| 永久免费不卡在线观看黄网站| 97色碰碰公开视频| 丰满少妇a片免费观看| AV无码精品一区二区三区| 国产精品久久人妻互换| 久久久久国产精品熟女影院| 日本一区二区在线播放| 臭小子我是你岳...你不能视频| 久久精品无码av| 久久久久亚洲av成人网| 毛片免费全部无码播放| 国产一区二区三区在线播放 | 久久久无码精品国产一区| 日韩av人妻无码heyzo专区| 麻豆人妻少妇精品无码专区| 免费国产黄网站在线观看视频| a片在线观看免费| 热re99久久精品国产99热| 国产成人无码免费网站| 国内精品久久久人妻中文字幕| 我推的孩子动漫在线观看| 糖心vlog免费入口进入| 久久综合亚洲欧美成人| 一个人在线观看的www免费视频| 欧美日激情日韩精品嗯| 99偷拍视频精品一区二区| chinese国产avvideoxxxx实拍| 成人视频在线观看| 国产成A人亚洲精V品无码性色| 人妻系列无码专区免费视频| 精品综合久久久久久888蜜芽| 欧美裸体xxxx极品少妇| 国内精品一区二区三区 |