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首頁>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>111U正/十一烷CH3(CH2)9CH3氣體檢測(cè)管111U 10-140ppm

正/十一烷CH3(CH2)9CH3氣體檢測(cè)管111U 10-140ppm

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正/十一烷CH3(CH2)9CH3氣體檢測(cè)管111U 10-140ppm,中文名稱2: 十一碳烷,英文名稱2: hendecane,CAS No.: 1120-21-4,健康危害: 吸入、攝入對(duì)身體有害。高濃度的情況下,可使人窒息或因麻醉作用而死亡。環(huán)境危害: 對(duì)環(huán)境有危害,對(duì)水體可造成污染。燃爆危險(xiǎn): 本品易燃。危險(xiǎn)特性: 遇明火、高熱易燃。受高熱分解放出有毒的氣體。

更新時(shí)間:2024-12-26

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正/十一烷CH3(CH2)9CH3氣體檢測(cè)管111U 10-140ppm

正/十一烷CH3(CH2)9CH3氣體檢測(cè)管111U 10-140ppm

Tube 11U

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