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異戊醇(CH3)2CH(CH2)2OH氣體檢測管209U ISOPENTYL ALCOHOL 5-100ppm,中文名稱(chēng)2:3-甲基丁醇,健康危害: 吸入、口服或經(jīng)皮膚吸收有麻醉作用。其蒸氣或霧對眼睛、皮膚、粘膜和呼吸道有刺激作用,可引起神經(jīng)系統功能紊亂,長(cháng)時(shí)間接觸有麻醉作用。主要用途: 用作照相化學(xué)藥品、香精、分析試劑,以及用于有機合成、制藥等。
更新時(shí)間:2024-07-14
在線(xiàn)留言異戊醇(CH3)2CH(CH2)2OH氣體檢測管209U ISOPENTYL ALCOHOL 5-100ppm
Tube No.209U
1. PERFORMANCE
1) Measuring range :5-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :2 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
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:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
(CH3)2CHCH2OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
100
80
60
40
20
10
5
300ml
ppm
(White)
DEHUMIDIFIER
209U ISOPENTYL ALCOHOL
Substance ppm Interference Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Toluene FIG.2 200 Whole reagent is changed to Pale blue. 〃
Hexane 1,000 The accuracy of readings is not affected. The accuracy of readings is
not affected.
Trichloroethylene 〃〃〃
Ethyl acetate 〃〃〃
0
100
50
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
iso-Pentyl alcohol
indicating value 〔ppm〕
50 100
Coexistence
Interference
0
100
50
Toluene〔ppm〕?
FIG.2 Influence of Toluene
iso-Pentyl alcohol
indicating value 〔ppm〕
500 1000
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
100 - - 100 80 70
80 - - 80 65 55
60 - 83 60 50 45
40 90 50 40 33 30
20 32 23 20 16 15
10 14 11 10 9 8
5 5 5 5 5 5
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