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正丙醇CH3CH2CH2OH氣體檢測管190U 1-Propanol 20-300ppm,【中文名稱(chēng)】正丙醇;1-丙醇,【英文名稱(chēng)】n-propyl alcohol; 1-propanol,氣體檢測技術(shù)只需使用檢測管和采集器就可對氣體進(jìn)行檢測。操作簡(jiǎn)單,極易掌握,有著(zhù)廣泛的應用,可以在很多領(lǐng)域發(fā)揮作用。其中包括:重工業(yè):鋼鐵、造船、汽車(chē)、造紙等,制造業(yè):食品、家電、半導體等,石化業(yè):化學(xué)工業(yè)、石油精煉等,能源領(lǐng)域:天然氣、電力等,工程施工現場(chǎng):下水道、燃氣工程、建設工地等,科研:研究室、實(shí)驗室等
更新時(shí)間:2024-07-14
在線(xiàn)留言正丙醇CH3CH2CH2OH氣體檢測管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
上一篇:125SA丙烷C3H8氣體檢測管125SA PROPANE 0.02-0.5%
下一篇:216S丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm
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