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產(chǎn)品詳情
簡(jiǎn)單介紹:
呋喃C4H4O氣體檢測(cè)管122SA
呋喃C4H4O氣體檢測(cè)管122SA ,呋喃C4H4O氣體檢測(cè)管122SA FURAN 0.01-2.0%,日本光明理化工業(yè)株式會(huì)社從1947年開始,在氣體分析領(lǐng)域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測(cè)管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測(cè)管的歷史
詳情介紹:
呋喃C4H4O氣體檢測(cè)管122SA
呋喃C4H4O氣體檢測(cè)管122SA ,呋喃C4H4O氣體檢測(cè)管122SA FURAN 0.01-2.0%,日本光明理化工業(yè)株式會(huì)社從1947年開始,在氣體分析領(lǐng)域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測(cè)管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測(cè)管的歷史 。目前是世界上*大的檢測(cè)管生產(chǎn)廠家,也是日本**家通過美國(guó)SEI的認(rèn)證,歐盟的認(rèn)證的檢測(cè)管廠家。公司不僅有ISO9001:2000的認(rèn)證,還獲得了環(huán)境管理的ISO14001的認(rèn)證。北川式手動(dòng)氣體采集器AP-20 備有采氣完成指示計(jì) , 可以清楚的判明采氣是否完成 . • 有專門截留玻璃的截留槽 , 以防止檢測(cè)管割尖時(shí)玻璃片飛濺 . • 有采氣容積為 50 毫升和 100 毫升的兩段式制動(dòng)卡 . • 采氣器極為小巧 , 并有便于攜帶的皮具包 。
Tube No.122SA
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
No.122SA 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
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
No.122SA 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