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四氫呋喃(CH2)4O氣體檢測管102SA TETRAHYDROFURAN 0.2-5.0%,突法化學(xué)事故應(yīng)急檢測箱、有限空間氣體檢測箱和化學(xué)事故綜合檢測箱的應(yīng)用,中國封閉空間氣體監(jiān)測箱,必發(fā)生化專業(yè)提供進口氣體檢測箱,可以同時檢測多種氣體,測試可以在短時間內(nèi)查出各種未知化學(xué)物質(zhì),品牌,質(zhì)量可靠,對突發(fā)事件中的有毒有害氣體進行快速的定性和半定量檢測。突發(fā)性事故氣體快速檢測箱主要應(yīng)用于突發(fā)性氣體泄漏事故和緊急救援,產(chǎn)品組合根據(jù)國家環(huán)??偩趾蛧野踩a(chǎn)辦公室相關(guān)標(biāo)準(zhǔn),體積小、 操作簡便、精確
更新時間:2024-11-13
在線留言四氫呋喃(CH2)4O氣體檢測管102SA TETRAHYDROFURAN 0.2-5.0%
1. PERFORMANCE
1) Measuring range :2.0-5.0% 0.2-3.0%
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :20 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Acetone at 1 pump stroke and
Tetrahydrofuran is determined by using a conversion chart.
8) Colour change :Orange→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH2-CH2
O+Cr6++H2SO4→Cr3+
CH2-CH2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.1
0.2
0.5
1.0
1.5
2.0
%
GAS To pump
Tube No.
102SA C TETRAHYDROFURAN
Substance Interference ppm Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Atromatic hydrocarbons FIG.1 〃〃
Ketones 〃〃
Esters FIG.2 〃〃
Halogenated hydrocarbons WPahleo leb rroewang.ent is changed to 0.5% 〃
(NOTE)
In case of 1 / 2 pump stroke, following conversion scale is available for actual concentration.
0
2
3
1
Toluene〔%〕?
FIG.1 Influence of Toluene
Tetra-hydrofuran
indicating value 〔%〕
Tetra-hydrofuran
indicating value 〔%〕
1 2
Interference
0
2
3
1
Ethyl acetate〔%〕?
FIG.2 Influence of Ethyl acetate
1 2
0.1 0.2
0.2
0.5
1.0
1.5
2.0
0.5
1.0
1.5
2.0
2.5
3.0
Tetrahydrofuran concentration(%)?
02SA tude reading(%)?
(100mR)?
0.1
0.2
0.5
1.0
1.5
2.0
2.0
3.0
4.0
5.0
Tetrahydrofuran concentration(%)?
02SA tude reading(%)?
(50mR)?
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
3.0 - 3.2 3.0 2.8 2.7
2.5 3.0 2.7 2.5 2.4 2.2
2.0 2.4 2.1 2.0 1.9 1.8
1.5 1.8 1.6 1.5 1.4 1.3
1.0 1.1 1.1 1.0 1.0 0.9
0.5 0.6 0.5 0.5 0.5 0.5
上一篇:243U硅酸Si(OC2H5)4氣體檢測管243U TETRAETHOXYSILANE 5-200ppm
下一篇:162U四氫呋喃THF氣體測毒管162U TETRAHYDROFURAN 20-400ppm
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