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當(dāng)前位置:上海境宣實(shí)業(yè)有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 122SA呋喃C4H4O氣體檢測管122SA FURAN 0.01-2.0%
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產(chǎn)品型號122SA
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時間:2024-11-27 19:13:02瀏覽次數(shù):1246次
聯(lián)系我時,請告知來自 化工儀器網(wǎng)室內(nèi)空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
呋喃C4H4O氣體檢測管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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