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乙酸正丙酯CH3CO2(CH2)2CH3氣體檢測管 139SB PROPYL ACETATE 0.01-1.4%,別名:醋酸正丙酸;乙酸丙酯,健康危害:對眼和上呼吸道粘膜有刺激作用。吸入高濃度時,感惡心、眼部灼熱感、胸悶、疲乏無力,并可引起麻醉。檢測管適用行業 煤礦和石油化工行業的安全防護應急檢測;突發事件的應急檢測;生產設備動火和進入密閉設備前的安全分析;用于檢查生產設備管道泄漏情況;用于大氣、水質等環境監測和工業設備廢水污染監測;用于各種地質勘探和礦山開采中地下溢出的氣體和污染分析
更新時間:2025-01-02
在線留言乙酸正丙酯CH3CO2(CH2)2CH3氣體檢測管 139SB PROPYL ACETATE 0.01-1.4%
Tube 39SB
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
39SB 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.
上一篇:216S丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm
下一篇:151U乙酸正丙酯氣體檢知管151U PROPYL ACETATE 20-1000ppm
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