女人被暴躁C到高潮容易怀孕吗_国产成人精品一区二区三区视频_国产欧美日韩_德国FREE性VIDEO极品


免費注冊快速求購


分享
舉報 評價

182SB 臭氧O3氣體檢知管182SB OZONE 2.5-100ppm

參考價面議
具體成交價以合同協(xié)議為準

該廠商其他產(chǎn)品

我也要出現(xiàn)在這里

臭氧O3氣體檢知管182SB OZONE 2.5-100ppm,氣態(tài)臭氧厚層帶藍色,有特殊臭味,濃度高時與氯氣氣味相像;液態(tài)臭氧深藍色,固態(tài)臭氧紫黑色。用于水的消毒和空氣的臭氧化,在化學工業(yè)中用作強氧化劑。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。它吸收對人體有害的短波紫外線,防止其到達地球。

詳細信息 在線詢價

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


同類產(chǎn)品推薦


提示

×

*您想獲取產(chǎn)品的資料:

以上可多選,勾選其他,可自行輸入要求

個人信息: