国产精品免费久久久久久免,久草草在线新免费观看,久久精品国产亚洲av麻豆密芽,成人午夜视频猛虎影院

產(chǎn)品列表PRODUCTS LIST

臭氧O3氣體檢知管182SB OZONE 2.5-100ppm

簡(jiǎn)要描述:

臭氧O3氣體檢知管182SB OZONE 2.5-100ppm,氣態(tài)臭氧厚層帶藍(lán)色,有特殊臭味,濃度高時(shí)與氯氣氣味相像;液態(tài)臭氧深藍(lán)色,固態(tài)臭氧紫黑色。用于水的消毒和空氣的臭氧化,在化學(xué)工業(yè)中用作強(qiáng)氧化劑。臭氧主要存在于距地球表面20公里的同溫層下部的臭氧層中。它吸收對(duì)人體有害的短波紫外線,防止其到達(dá)地球。

更新時(shí)間:2025-01-02

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
臭氧O3氣體檢知管182SB OZONE 2.5-100ppm

臭氧O3氣體檢知管182SB OZONE 2.5-100ppm

Tube 82SB

1. PERFORMANCE
1) Measuring range :10-100 ppm 5-50 ppm 2.5-25 ppm
Number of pump strokes 1/2(50ml) 1(100ml) 2(200ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :1 ppm(100ml)
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 :Blue→Pale yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Indigo is oxidized and Isatin is produced.
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
5
10
20
30
40
50
ppm
GAS To pump
182SB OZONE
Substance ppm Interference Coexistence
Nitrogen dioxide 10 Similar stain is produced. The top of discoloured layer becomes
unclear and higher readings are given.
(NOTE)
1)In case of 1 / 2 pump strokes, following formula is available for actual concentration.
Actual concentration=2 ×Reading value
2)In case of 2 pump strokes, following formula is available for actual concentration.
Actual concentration=1/2×Reading value
C
NH
HN
C
O
=?
O
C
=?
=C
C
NH
C
O
=?
+2O3  ? 2 =O+2O2

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |