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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>102SA四氢呋喃(CH2)4O气体检测管102SA TETRAHYDROFURAN 0.2-5.0%

四氢呋喃(CH2)4O气体检测管102SA TETRAHYDROFURAN 0.2-5.0%

简要描述:

四氢呋喃(CH2)4O气体检测管102SA TETRAHYDROFURAN 0.2-5.0%,突法化学事故应急检测箱、有限空间气体检测箱和化学事故综合检测箱的应用,中国封闭空间气体监测箱,必发生化专业提供进口气体检测箱,可以同时检测多种气体,测试可以在短时间内查出各种未知化学物质,品牌,质量可靠,对突发事件中的有毒有害气体进行快速的定性和半定量检测。突发性事故气体快速检测箱主要应用于突发性气体泄漏事故和紧急救援,产品组合根据国家环保总局和国家安全生产办公室相关标准,体积小、 操作简便、精确

更新时间:2017-08-22

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四氢呋喃(CH2)4O气体检测管102SA TETRAHYDROFURAN 0.2-5.0%

四氢呋喃(CH2)4O气体检测管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

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