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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>209U异戊醇(CH3)2CH(CH2)2OH气体检测管209U ISOPENTYL ALCOHOL

异戊醇(CH3)2CH(CH2)2OH气体检测管209U ISOPENTYL ALCOHOL

简要描述:

异戊醇(CH3)2CH(CH2)2OH气体检测管209U ISOPENTYL ALCOHOL 5-100ppm,中文名称2:3-甲基丁醇,健康危害: 吸入、口服或经皮肤吸收有麻醉作用。其蒸气或雾对眼睛、皮肤、粘膜和呼吸道有刺激作用,可引起神经系统功能紊乱,长时间接触有麻醉作用。主要用途: 用作照相化学药品、香精、分析试剂,以及用于有机合成、制药等。

更新时间:2017-08-03

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异戊醇(CH3)2CH(CH2)2OH气体检测管209U ISOPENTYL ALCOHOL

异戊醇(CH3)2CH(CH2)2OH气体检测管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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