產品列表PRODUCTS LIST
二氧化氮NO2氣體測毒管117SB NITROGEN DIOXIDE 0.5-30ppm,又稱為過氧化氮,是大π鍵結構的典型分子。大π鍵含有三個電子,其中兩個進入成鍵π軌道,一個進入非鍵π軌道。吸入二氧化氮可能對肺組織產生強烈的刺激作用和腐蝕作用。由于其結構的不穩定性,通常情況下與其二聚體形式——四氧化二氮(無色氣體)混合存在,構成一種平衡態混合物。CAS 0102-44-0
更新時間:2024-12-19
在線留言二氧化氮NO2氣體測毒管117SB NITROGEN DIOXIDE 0.5-30ppm
Tube No.
0 . 5
1 . 0
2 . 0
3 . 0
5 . 0
7 . 0
1 0 . 0
1 5 . 0
2 0 . 0
2 5 . 0
3 0 . 0
200ml
ppm
GAS To pump
1. PERFOMANCE
1) Measuring range :0.5-30 ppm
Number of pump strokes 2(200ml)
2) Sampling time :1.5 minutes/2 pump strokes
3) Detectable limit :0.1 ppm
4) Shelf life :1 year
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 2 pump strokes
7) Colour change :White→Yellowish orange
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with o-Toluidine, Nitroso-o-Toluidine(dyestuff)is produced.
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
117SB NITROGEN DIOXIDE
Substance Interference ppm Coexistence
Chlorine FIG.1 Similar stain is produced. 2 Higher readings are given.
Bromine 〃2 〃
Iodine 〃2 〃
Nitrogen monoxide FIG.2 nTohte a affceccuteradc.y of readings is 15 〃
0
10
20
Chlorine〔ppm〕?
FIG.1 Influence of Chlorine
Nitrogen dioxide
indicating value 〔ppm〕
1 2 3 0
10
20
Nitrogen monoxide〔ppm〕?
FIG.2 Influence of Nitrogen monoxide
Nitrogen dioxide
indicating value 〔ppm〕
50 100
NH2
CH3 CH3
NO2+H2N ON=? NO
CH3 CH3
上一篇:117SA二氧化氮NO2氣體檢測管117SA NITROGEN DIOXIDE 20-1000ppm
下一篇:117SD低濃度二氧化氮NO2氣體檢知管117SD NITROGEN DIOXIDE 0.1-1.0ppm
返回列表>>相關產品