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简单介绍：
光明理化硫化氢H2S气体检测管120SE
光明理化硫化氢H2S气体检测管120SE HYDROGEN SULPHIDE 0.5-40ppm，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 。
详情介绍：
光明理化硫化氢H2S气体检测管120SE
光明理化硫化氢H2S气体检测管120SE HYDROGEN SULPHIDE 0.5-40ppm，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 。
1. PERFORMANCE
1) Measuring range ：2-40 ppm 1-20 ppm 0.5-10 ppm
Number of pump strokes 1/2(50ml) 1(100ml) 2(200ml)
2) Sampling time ：1 minute/1 pump stroke
3) Detectable limit ：0.2 ppm(200ml)
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 ：Yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
By reacting with mercuric chloride, Hydrogen chloride is produced and PH indicator is discoloured.
H2S＋HgCI2→HgS＋2HCI
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
20
15
10
5
1
100ml
ppm
(White)
DEHUMIDIFIER
????
Tube No.
120SE HYDROGEN SULPHIDE
Substance Interference Coexistence
Phosphine Similar stain is produced. Higher readings are given.
Mercaptans 〃〃
Nitrogen dioxide Not affected. Lower readings are given.
Ammonia 〃〃
Arsine Higher readings are given.
Hydrogen selenide 〃
Hydrogen cyanide 〃
Sulphur dioxide If possible to read, not affected.
(NOTE)
In case of 1 / 2 and 2 pump strokes, the following equation is available for the actual concentration.
1/2 pump stroke：Actual concentration＝Reading value×2
2 pump strokes：Actual concentration＝Reading value÷2
Coexistence
Interference
0
Methyl mercaptan〔ppm〕?
FIG.1 Influence of Methyl mercaptan
H2S indicating value 〔ppm〕
4
4
2
2
Coexistence
Interference
0
Phosphine〔ppm〕?
FIG.2 Influence of Phosphine
1) Measuring range ：2-40 ppm 1-20 ppm 0.5-10 ppm
Number of pump strokes 1/2(50ml) 1(100ml) 2(200ml)
2) Sampling time ：1 minute/1 pump stroke
3) Detectable limit ：0.2 ppm(200ml)
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 ：Yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
By reacting with mercuric chloride, Hydrogen chloride is produced and PH indicator is discoloured.
H2S＋HgCI2→HgS＋2HCI
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
20
15
10
5
1
100ml
ppm
(White)
DEHUMIDIFIER
????
Tube No.
120SE HYDROGEN SULPHIDE
Substance Interference Coexistence
Phosphine Similar stain is produced. Higher readings are given.
Mercaptans 〃〃
Nitrogen dioxide Not affected. Lower readings are given.
Ammonia 〃〃
Arsine Higher readings are given.
Hydrogen selenide 〃
Hydrogen cyanide 〃
Sulphur dioxide If possible to read, not affected.
(NOTE)
In case of 1 / 2 and 2 pump strokes, the following equation is available for the actual concentration.
1/2 pump stroke：Actual concentration＝Reading value×2
2 pump strokes：Actual concentration＝Reading value÷2
Coexistence
Interference
0
Methyl mercaptan〔ppm〕?
FIG.1 Influence of Methyl mercaptan
H2S indicating value 〔ppm〕
4
4
2
2
Coexistence
Interference
0
Phosphine〔ppm〕?
FIG.2 Influence of Phosphine