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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>122SA呋喃C4H4O气体检测管122SA FURAN 0.01-2.0%

呋喃C4H4O气体检测管122SA FURAN 0.01-2.0%

简要描述:

呋喃C4H4O气体检测管122SA FURAN 0.01-2.0%,健康危害:本品有麻醉和弱刺激作用。吸入后可引起头痛、头晕、恶心、呕吐、血压下降、呼吸衰竭。慢性影响:肝、肾损害。呋喃环具芳环性质,可发生卤化、硝化、磺化等亲电取代反应。遇强酸易开环成聚合物,因而须用特殊试剂进行硝化或磺化反应。催化氢化生成四氢呋喃,后者为重要的溶剂。

更新时间:2017-07-25

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呋喃C4H4O气体检测管122SA FURAN 0.01-2.0%

呋喃C4H4O气体检测管122SA FURAN 0.01-2.0%

Tube 22SA

1. PERFORMANCE
1) Measuring range :0.2-2.0% 0.01-0.9%
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
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 Ethylene oxide at 1 pump stroke
and Furan concentration is determined by using a conversion chart.
7) Colour change :Orange→Black
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
O +Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.6
1.0
1.2
1.4
1.8
0.8
0.6
0.4
0.2
0.1
0.01
%
(White)
DEHUMIDIFIER
122SA C FURAN
Substance Interference ppm Coexistence
Aromatic hydrocarbons FIG.1 Similar stain is produced. Higher readings are given.
Esters FIG.2 〃〃
Ketones 〃
Alcohols FIG.3 〃〃
Halogenated hydrocarbons Whole reagent is changed to 0.5% 〃
Pale brown.
0
1.0
0.5
Toluene〔%〕�
FIG.1 Influence of Toluene
22SA Tube reading (%)�
Furan(%)�
Furan indicating value 〔%〕
0.25 0.5
Interference
0
1.0
0.5
Ethyl acetate〔%〕�
FIG.2 Influence of Ethyl acetate
Furan indicating value 〔%〕
1 2 0
2
1
Menthanol〔%〕�
FIG.3 Influence of Menthanol

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