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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>139SB乙醛(醋醛)检测管BUTYL ACETATE CH3CO2C4H9 10-400ppm

乙醛(醋醛)检测管BUTYL ACETATE CH3CO2C4H9 10-400ppm

简要描述:

139SB BUTYL ACETATE (+) 乙醛(醋醛)检测管BUTYL ACETATE CH3CO2C4H9 10-400ppm,准确度误差主要来源于检测管本身质量,这主要决定于产品在制造过程中计量管理和质量管理是否规范、加强这方面技术管理是确保检测管质量的前题,另外检测管化学组份较为复杂,易产生质变,应该使用在有效期内的检测管。

更新时间:2017-07-26

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乙醛(醋醛)检测管BUTYL ACETATE CH3CO2C4H9 10-400ppm

乙醛(醋醛)检测管139SB BUTYL ACETATE CH3CO2C4H9 10-400ppm

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
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www.r-biopharm.com.cn

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