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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乙酸正丙酯CH3CO2(CH2)2CH3气体检测管 139SB PROPYL ACETATE

乙酸正丙酯CH3CO2(CH2)2CH3气体检测管 139SB PROPYL ACETATE

简要描述:

乙酸正丙酯CH3CO2(CH2)2CH3气体检测管 139SB PROPYL ACETATE 0.01-1.4%,别名:醋酸正丙酸;乙酸丙酯,健康危害:对眼和上呼吸道粘膜有刺激作用。吸入高浓度时,感恶心、眼部灼热感、胸闷、疲乏无力,并可引起麻醉。检测管适用行业 煤矿和石油化工行业的安全防护应急检测;突发事件的应急检测;生产设备动火和进入密闭设备前的安全分析;用于检查生产设备管道泄漏情况;用于大气、水质等环境监测和工业设备废水污染监测;用于各种地质勘探和矿山开采中地下溢出的气体和污染分析

更新时间:2018-01-24

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乙酸正丙酯CH3CO2(CH2)2CH3气体检测管 139SB PROPYL ACETATE

乙酸正丙酯CH3CO2(CH2)2CH3气体检测管 139SB PROPYL ACETATE 0.01-1.4%

Tube No.139SB
1. PERFORMANCE
1) Measuring range :0.01-1.4%
Number of pump strokes 2(200ml)
2) Sampling time :4 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 Isobutyl acetate concentration is determined by using a conversion chart.
7) Colour change :Orange→Pale brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced
CH3CO2CH2CH(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.4
1.2
1.0
0.8
0.6
0.4
0.3
0.2
0.1
0.05
0.01
%
139SB C ISOBUTYL ACETATE
No.139SB Tube reading (%)�
Isobutyl acetate(%)�
1.0
0.8
0.6
1.4
1.2
0.4
0.2
0.1
0.05
0.01 0.01
0.1
0.2
0.5
1.0
1.4
(200mR)�
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is changed to Pale
brown.
Propane 0.2% 〃
Other organic gases or vapours Similar stain is produced.
except Halogenated hydrocar- 50 Higher readings are given.

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