产品详情
简单介绍:
北川式乙醛(醋醛)气体检测管139SB
北川式乙醛(醋醛)气体检测管139SB ,乙醛(醋醛)检测管139SB BUTYL ACETATE CH3CO2C4H9 10-400ppm,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。
详情介绍:
北川式乙醛(醋醛)气体检测管139SB
北川式乙醛(醋醛)气体检测管139SB ,乙醛(醋醛)检测管139SB BUTYL ACETATE CH3CO2C4H9 10-400ppm,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 :0.01-1.0%
Number of pump strokes 2(200ml)
2) Sampling time 3 minutes/2 pump strokes
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 Butyl acetate concentration is determined by using a conversion chart.
7) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
%? GAS To pump
Tube No.
BUTYL ACETATE
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is clanged to Brown.
Propane 0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.
bons
139SB C
Butyl acetate(%)?
No.139SB Tube reading(%)?
(200mR)?
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
0.4
0.6
0.8
1.0
1) Measuring range :0.01-1.0%
Number of pump strokes 2(200ml)
2) Sampling time 3 minutes/2 pump strokes
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 Butyl acetate concentration is determined by using a conversion chart.
7) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
%? GAS To pump
Tube No.
BUTYL ACETATE
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is clanged to Brown.
Propane 0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.
bons
139SB C
Butyl acetate(%)?
No.139SB Tube reading(%)?
(200mR)?
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
0.4
0.6
0.8
1.0