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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(yè) 煤礦和石油化工行業(yè)的安全防護應(yīng)急檢測；突發(fā)事件的應(yīng)急檢測；生產(chǎn)設(shè)備動火和進入密閉設(shè)備前的安全分析；用于檢查生產(chǎn)設(shè)備管道泄漏情況；用于大氣、水質(zhì)等環(huán)境監(jiān)測和工業(yè)設(shè)備廢水污染監(jiān)測；用于各種地質(zhì)勘探和礦山開采中地下溢出的氣體和污染分析
更新時間：2025-07-30
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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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