夜夜爽夜夜叫夜夜高潮漏水,13小男生GAY自慰脱裤子,亚洲国产精品美女久久久久AV,中文字幕丰满乱孑伦无码专区

產品列表PRODUCTS LIST

氨檢測管105SA AMMONIA NH3 0.5-10%

簡要描述:

氨檢測管105SA AMMONIA NH3 0.5-10%,氣體檢測管是用來檢測某種氣體在某一環境中所含濃度的簡易檢測裝置,通過檢測劑與被檢測氣體的反應而出現顏色變化,來表示所測環境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡單、使用范圍廣、檢測準確、即時性強和經濟的特點。

更新時間:2024-12-18

發郵件給我們:554328895@qq.com

分享到: 1
在線留言
氨檢測管105SA AMMONIA NH3 0.5-10%

氨檢測管105SA AMMONIA NH3 0.5-10%

Tube 05SA
1. PERFORMANCE
1) Measuring range :0.5-10%
Number of pump strokes 1(100mr)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :400 ppm
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 :Pink→Gray or Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
3NH3+H3PO4→(NH4)3PO4
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
0.5
1
2
3
4
5
6
7
8
9
10
%
GAS To pump
105SA AMMONIA
Substance Interference Coexistence
Amines Similar stain is produced. Higher readings are given.
www.r-biopharm.com.cn