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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>111U正/十一烷CH3(CH2)9CH3气体检测管111U 10-140ppm

正/十一烷CH3(CH2)9CH3气体检测管111U 10-140ppm

简要描述:

正/十一烷CH3(CH2)9CH3气体检测管111U 10-140ppm,中文名称2: 十一碳烷,英文名称2: hendecane,CAS No.: 1120-21-4,健康危害: 吸入、摄入对身体有害。高浓度的情况下,可使人窒息或因麻醉作用而死亡。环境危害: 对环境有危害,对水体可造成污染。燃爆危险: 本品易燃。危险特性: 遇明火、高热易燃。受高热分解放出有毒的气体。

更新时间:2017-07-07

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正/十一烷CH3(CH2)9CH3气体检测管111U 10-140ppm

正/十一烷CH3(CH2)9CH3气体检测管111U 10-140ppm

Tube No.111U

1. PERFORMANCE
1) Measuring range :20-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life : :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2C2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1000
800
600
400
200
100
50
20
111U ETHYL ACETATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
1,000 1,330 1,200 1,000 830 700 600 500
800 1,080 950 800 670 550 470 400
600 830 720 600 500 420 380 300
400 570 480 400 330 280 240 200
200 280 240 200 170 140 120 100
100 150 120 100 80 70 60 50
50 70 60 50 40 30 20 10
20 30 25 20 15 10 7 4
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is discoloured to It the top of brown stain is clear,
Paraffin hydrocarbons Pale brown. athffee catcecdu.racy of readings is not
Halogenated hydrocarbons FIG.1 〃〃
0
200
400
600
800
1000
Trichloroethylene〔ppm〕�
FIG.1 Influence of Trichloroethylene

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