产品详情
简单介绍:
光明理化二氧化氮气体检测管117SB
光明理化二氧化氮气体检测管117SB,二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm,日本光明理化工业株式会社从1947年开始,在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。
详情介绍:
光明理化二氧化氮气体检测管117SB
光明理化二氧化氮气体检测管117SB,二氧化氮气体检测管117SB NITROGEN DIOXIDE 0.7-42ppm,日本光明理化工业株式会社从1947年开始,在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家,也是日本**家通过美国SEI的认证,欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证,还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
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
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