產(chǎn)品詳情
簡單介紹:
乙醚(C2H5)2O氣體檢測管107U
乙醚(C2H5)2O氣體檢測管107U,乙醚(C2H5)2O氣體檢測管107U Ethyl ether 20-400ppm,日本光明理化工業(yè)株式會社從1947年開始,在氣體分析領域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測管的歷史
詳情介紹:
乙醚(C2H5)2O氣體檢測管107U
乙醚(C2H5)2O氣體檢測管107U,乙醚(C2H5)2O氣體檢測管107U Ethyl ether 20-400ppm,日本光明理化工業(yè)株式會社從1947年開始,在氣體分析領域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測管的歷史 。目前是世界上*大的檢測管生產(chǎn)廠家,也是日本**家通過美國SEI的認證,歐盟的認證的檢測管廠家。公司不僅有ISO9001:2000的認證,還獲得了環(huán)境管理的ISO14001的認證。北川式手動氣體采集器AP-20 備有采氣完成指示計 , 可以清楚的判明采氣是否完成 . • 有專門截留玻璃的截留槽 , 以防止檢測管割尖時玻璃片飛濺 . • 有采氣容積為 50 毫升和 100 毫升的兩段式制動卡 . • 采氣器極為小巧 , 并有便于攜帶的皮具包 。
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