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简单介绍：
硒化氢H2Se气体检测管167S
硒化氢H2Se气体检测管167S，硒化氢H2Se气体检测管167S HYDROGEN SELENIDE 1-600ppm，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：
硒化氢H2Se气体检测管167S
硒化氢H2Se气体检测管167S，硒化氢H2Se气体检测管167S HYDROGEN SELENIDE 1-600ppm，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.167S
1. PERFORMANCE
1) Measuring range ：5-600 ppm 1-120 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：0.5 ppm(500ml)
4) Shelf life ：1 year
5) Operating temperature ：0～40℃
6) Reading ：Direct reading from the scale calibrated by 1 pump stroke
7) Colour change ：Pale yellow→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：5％
3. CHEMICAL REACTION
By reacting with Gold chloride(III), Colloidal gold is liberated.
H2Se＋AuCI3(III)→Au
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
600
550
500
450
400
350
300
250
200
150
100
50
10
5
100ml
ppm
????
????
167S HYDROGEN SELENIDE
Substance ppm Interference ppm Coexistence
Acetylene 3％ Higher readings are given.
Carbon monoxide 0.1％ 〃
Sulphur dioxide Pale blue stain is produced. 〃
Hydrogen sulphide 10 Brown stain is produced. 〃
Mercury vapours Similar stain is produced.
Arsine 〃10 〃
Iron carbonyl 〃10 〃
Nickel carbonyl 〃10 〃
(NOTE)
When the concentration is below 5 ppm, 5 pump strokes can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration＝1/5×Reading value
1. PERFORMANCE
1) Measuring range ：5-600 ppm 1-120 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：0.5 ppm(500ml)
4) Shelf life ：1 year
5) Operating temperature ：0～40℃
6) Reading ：Direct reading from the scale calibrated by 1 pump stroke
7) Colour change ：Pale yellow→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：5％
3. CHEMICAL REACTION
By reacting with Gold chloride(III), Colloidal gold is liberated.
H2Se＋AuCI3(III)→Au
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
600
550
500
450
400
350
300
250
200
150
100
50
10
5
100ml
ppm
????
????
167S HYDROGEN SELENIDE
Substance ppm Interference ppm Coexistence
Acetylene 3％ Higher readings are given.
Carbon monoxide 0.1％ 〃
Sulphur dioxide Pale blue stain is produced. 〃
Hydrogen sulphide 10 Brown stain is produced. 〃
Mercury vapours Similar stain is produced.
Arsine 〃10 〃
Iron carbonyl 〃10 〃
Nickel carbonyl 〃10 〃
(NOTE)
When the concentration is below 5 ppm, 5 pump strokes can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration＝1/5×Reading value