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乙酸正丙酯CH3CO2(CH2)2CH3氣體檢測(cè)管 139SB PROPYL ACETATE 0.01-1.4%,別名:醋酸正丙酸;乙酸丙酯,健康危害:對(duì)眼和上呼吸道粘膜有刺激作用。吸入高濃度時(shí),感惡心、眼部灼熱感、胸悶、疲乏無(wú)力,并可引起麻醉。檢測(cè)管適用行業(yè) 煤礦和石油化工行業(yè)的安全防護(hù)應(yīng)急檢測(cè);突發(fā)事件的應(yīng)急檢測(cè);生產(chǎn)設(shè)備動(dòng)火和進(jìn)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(cè)和工業(yè)設(shè)備廢水污染監(jiān)測(cè);用于各種地質(zhì)勘探和礦山開(kāi)采中地下溢出的氣體和污染分析
更新時(shí)間:2024-11-20
在線留言乙酸正丙酯CH3CO2(CH2)2CH3氣體檢測(cè)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(cè)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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