产品详情
简单介绍：
乙烯H2C=CH2气体检知管108SA
乙烯H2C=CH2气体检知管108SA，乙烯H2C=CH2气体检知管108SA ETHYLENE 20-1200ppm，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：
乙烯H2C=CH2气体检知管108SA
乙烯H2C=CH2气体检知管108SA，乙烯H2C=CH2气体检知管108SA ETHYLENE 20-1200ppm，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.108SA
0
1000
500
Carbon monoxide〔ppm〕?
FIG.1 Influence of Carbon monoxide
Ethylene indicating value 〔ppm〕
200 400 0
1000
500
Hydrogen sulphide〔ppm〕?
FIG.2 Influence of Hydrogen sulphide
Bromine indicating value 〔ppm〕
500 1000
Coexistence
Interference
1. PERFORMANCE
1) Measuring range ：20-1,200 ppm
Number of pump strokes ：1(100ml)
2) Sampling time ：3 minutes/1 pump stroke
3) Detectable limit ：10 ppm
4) Shelf life ：2 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Yellow→Blue
2. RELATIVE STANDARD DEVIATION
RSD-low：5％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Molybdate is reduced and molybdeum blue is produced.
H2C＝CH2＋PdSO4＋(NH4)2MoO4→Mo3O8
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS
DEHUMIDIFIER
(White)
To pump
20
50
100
200
400
600
800
1000
1200
ppm
108SA ETHYLENE
Substance ppm Interference Coexistence
Carbon monoxide FIG.1 10 GWrheoelne. layer is discoloured to Higher readings are given.
Hydrogen sulphide FIG.2 500 Black stain is produced. 〃
Acetylene 20 Similar stain is produced. 〃
Propylene 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
1,200 950 1,100 1,200 1,300 1,350
1,000 800 900 1,000 1,050 1,100
800 650 720 800 820 840
600 650 550 600 600 600
400 400 400 400 400 400
200 200 200 200 180 150
100 100 100 100 50 －
50 70 60 50 － －
20 40 30 20 － －
0
1000
500
Carbon monoxide〔ppm〕?
FIG.1 Influence of Carbon monoxide
Ethylene indicating value 〔ppm〕
200 400 0
1000
500
Hydrogen sulphide〔ppm〕?
FIG.2 Influence of Hydrogen sulphide
Bromine indicating value 〔ppm〕
500 1000
Coexistence
Interference
1. PERFORMANCE
1) Measuring range ：20-1,200 ppm
Number of pump strokes ：1(100ml)
2) Sampling time ：3 minutes/1 pump stroke
3) Detectable limit ：10 ppm
4) Shelf life ：2 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Yellow→Blue
2. RELATIVE STANDARD DEVIATION
RSD-low：5％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Molybdate is reduced and molybdeum blue is produced.
H2C＝CH2＋PdSO4＋(NH4)2MoO4→Mo3O8
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS
DEHUMIDIFIER
(White)
To pump
20
50
100
200
400
600
800
1000
1200
ppm
108SA ETHYLENE
Substance ppm Interference Coexistence
Carbon monoxide FIG.1 10 GWrheoelne. layer is discoloured to Higher readings are given.
Hydrogen sulphide FIG.2 500 Black stain is produced. 〃
Acetylene 20 Similar stain is produced. 〃
Propylene 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
1,200 950 1,100 1,200 1,300 1,350
1,000 800 900 1,000 1,050 1,100
800 650 720 800 820 840
600 650 550 600 600 600
400 400 400 400 400 400
200 200 200 200 180 150
100 100 100 100 50 －
50 70 60 50 － －
20 40 30 20 － －