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简单介绍：
醋酸异丁酯CH3CO2CH2CH(CH3)2气体检测管139SB
醋酸异丁酯CH3CO2CH2CH(CH3)2气体检测管139SB，醋酸异丁酯CH3CO2CH2CH(CH3)2气体检测管139SB ISOBUTYL ACETATE 0.01-1.4%，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：
醋酸异丁酯CH3CO2CH2CH(CH3)2气体检测管139SB
醋酸异丁酯CH3CO2CH2CH(CH3)2气体检测管139SB，醋酸异丁酯CH3CO2CH2CH(CH3)2气体检测管139SB ISOBUTYL ACETATE 0.01-1.4%，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.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