產品詳情
簡單介紹：
醋酸異丁酯CH3CO2CH2CH(CH3)2氣體檢測管139SB
醋酸異丁酯CH3CO2CH2CH(CH3)2氣體檢測管139SB，醋酸異丁酯CH3CO2CH2CH(CH3)2氣體檢測管139SB ISOBUTYL ACETATE 0.01-1.4%，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
詳情介紹：
醋酸異丁酯CH3CO2CH2CH(CH3)2氣體檢測管139SB
醋酸異丁酯CH3CO2CH2CH(CH3)2氣體檢測管139SB，醋酸異丁酯CH3CO2CH2CH(CH3)2氣體檢測管139SB ISOBUTYL ACETATE 0.01-1.4%，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 。
Tube No.139SB
1. PERFORMANCE
1) Measuring range ：0.01-1.4％
Number of pump strokes 2(200ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：10 ppm
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Reading ：Graduations printed on the tube are calibrated by Methyl ethyl ketone at 2 pump
strokes and Propyl acetate concentration is determined by using a conversion chart.
7) Colour change ：Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)2CH3＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
1.4
1.2
1.0
0.8
0.6
0.2
0.1
0.05
0.01
%
GAS To pump
139SB C PROPYL ACETATE
Substance Interference ppm Coexistence
Acetylene 3％ Whole reagent is changed to Brown.
Propane 0.2％ 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. Higher readings are given.
bons
Propyl acetate(％)?
No.139SB Tube reading(％)?
(200ml)?
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.01
0.1
0.2
0.5
1.0
1.4
1. PERFORMANCE
1) Measuring range ：0.01-1.4％
Number of pump strokes 2(200ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：10 ppm
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Reading ：Graduations printed on the tube are calibrated by Methyl ethyl ketone at 2 pump
strokes and Propyl acetate concentration is determined by using a conversion chart.
7) Colour change ：Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)2CH3＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
1.4
1.2
1.0
0.8
0.6
0.2
0.1
0.05
0.01
%
GAS To pump
139SB C PROPYL ACETATE
Substance Interference ppm Coexistence
Acetylene 3％ Whole reagent is changed to Brown.
Propane 0.2％ 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. Higher readings are given.
bons
Propyl acetate(％)?
No.139SB Tube reading(％)?
(200ml)?
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.01
0.1
0.2
0.5
1.0
1.4