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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>190U正丙醇CH3CH2CH2OH气体检测管190U 1-Propanol 20-300ppm

正丙醇CH3CH2CH2OH气体检测管190U 1-Propanol 20-300ppm

简要描述:

正丙醇CH3CH2CH2OH气体检测管190U 1-Propanol 20-300ppm,【中文名称】正丙醇;1-丙醇,【英文名称】n-propyl alcohol; 1-propanol,气体检测技术只需使用检测管和采集器就可对气体进行检测。操作简单,极易掌握,有着广泛的应用,可以在很多领域发挥作用。其中包括:重工业:钢铁、造船、汽车、造纸等,制造业:食品、家电、半导体等,石化业:化学工业、石油精炼等,能源领域:天然气、电力等,工程施工现场:下水道、燃气工程、建设工地等,科研:研究室、实验室等

更新时间:2024-03-12

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正丙醇CH3CH2CH2OH气体检测管190U 1-Propanol 20-300ppm

 正丙醇CH3CH2CH2OH气体检测管190U 1-Propanol 20-300ppm

Tube 90U
0
30
40
50
20
10
Ethanol〔ppm〕�
FIG.1 Influence of Ethanol
Ethyl cellosolve indicating value 〔ppm〕
100 200 300 400 500
(300mR)� (100mR)�
0
300
400
500
200
100
1,1,1-Trichloroethane〔ppm〕�
FIG.2 Influence of 1,1,1-Trichloroethane
Ethyl cellosolve indicating value 〔ppm〕
100 200 300 400 500 600
(300mR)�
1. PERFORMANCE
1) Measuring range :5-500 ppm
Number of pump strokes 3(300mr)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :2 ppm
4) Shelf life :2 years
5) Operating temperature :10~35℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C2H5OCH2CH2OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
500
400
500
200
150
100
50
20
5
300ml
ppm
(White)
DEHUMIDIFIER
􀀀 􀀀􀀀􀀀
190U ETHYL CELLOSOLVE
Substance Interference Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Ethers 〃〃
(Pmaroarfefi nth haynd Cro3c)arbons Whole reagent is changed to Brown. 〃
Aromatic hydrocarbons 〃〃
Esters 〃〃
Ketones 〃〃
Halogenated hydrocarbons FIG.2 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃
(ppm) (50°F) (59°F) (68°F) (77°F) (80°F) (95°F)
500 800 620 500 410 335 265
400 620 490 400 325 260 200
300 450 365 300 245 195 145
200 290 245 200 160 125 95
150 215 185 150 120 90 70
100 145 125 100 80 60 45
50 75 65 50 40 30 25
20 30 25 20 15 12 10
5 10 7 5 4 3 2