产品详情
简单介绍:
乙醚(C2H5)2O气体检测管107U
乙醚(C2H5)2O气体检测管107U,乙醚(C2H5)2O气体检测管107U Ethyl ether 20-400ppm,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:
乙醚(C2H5)2O气体检测管107U
乙醚(C2H5)2O气体检测管107U,乙醚(C2H5)2O气体检测管107U Ethyl ether 20-400ppm,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 :20-400 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid:10% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
C2H5OC2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
400
300
200
150
100
50
20
ppm
DIETHYL ETHER
104
Tube No.
107U
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons Wbrohwolne. reagent is changed to Pale 〃
TEMPERATURE CORRECTION TABLE
Chart True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
400 640 400 290 230
300 480 300 220 180
200 320 200 150 120
150 240 150 110 90
100 160 100 80 60
50 90 50 40 30
20 40 20 20 10
1) Measuring range :20-400 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid:10% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
C2H5OC2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
400
300
200
150
100
50
20
ppm
DIETHYL ETHER
104
Tube No.
107U
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons Wbrohwolne. reagent is changed to Pale 〃
TEMPERATURE CORRECTION TABLE
Chart True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
400 640 400 290 230
300 480 300 220 180
200 320 200 150 120
150 240 150 110 90
100 160 100 80 60
50 90 50 40 30
20 40 20 20 10