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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>117SB二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm

二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm

简要描述:

二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm 碘Iodine I2气体检测管,又称为过氧化氮,是大π键结构的典型分子。大π键含有三个电子,其中两个进入成键π轨道,一个进入非键π轨道。二氧化氮室温下为红棕色气体,易溶于水且具有刺激性气味。吸入二氧化氮可能对肺组织产生强烈的刺激作用和腐蚀作用。由于其结构的不稳定性,通常情况下与其二聚体形式——四氧化二氮(无色气体)混合存在,构成一种平衡态混合物。

更新时间:2017-08-10

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二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm

二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm

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

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