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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>197U1-甲氧基-2丙醇1-Methoxy-2-propanol气体检测管10-500ppm

1-甲氧基-2丙醇1-Methoxy-2-propanol气体检测管10-500ppm

简要描述:

环己酮气体检测管 丙二醇甲醚 1-甲氧基-2丙醇1-Methoxy-2-propanol气体检测管10-500ppm 丙二醇醚与乙二醇醚同属二元醇醚类溶剂,丙二醇醚对人体的毒害性能低于乙二醇醚类产品,可视为无毒或低微毒性产品,由于其分子结构中既有醚官能基又有羟基,因而它的溶解性能十分优异,又有合适的挥发性以及反应活性等特点而获得广泛的应用,除用于多种高档涂料的溶剂之外,还可用于化学中间体、刹车液、清洗剂、防冰剂等诸多领域。

更新时间:2017-07-16

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1-甲氧基-2丙醇1-Methoxy-2-propanol气体检测管10-500ppm

1-甲氧基-2丙醇1-Methoxy-2-propanol气体检测管10-500ppm

1. PERFORMANCE
1) Measuring range :2-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :3 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.
C6H10O+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
100
80
60
40
20
10
2
300ml
ppm
(White)
DEHUMIDIFIER
􀀀􀀀􀀀
Tube No.
197U CYCLOHEXANONE
Substance Interference Coexistence
Aliphatic hydrocarbons Whole stain is changed to brown. The accuracy of reading is not
affected.
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters Pale ringed stain is produced near The accuracy of reading is not
the bottom of the reagent. affected.
0
30
50
70
10
Ethanol〔ppm〕�
FIG.1 Influence of Ethanol
Cyclohexanone indicating value 〔ppm〕
50 100 150
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
100 - 100 75 60
80 120 80 62 50
60 84 60 46 37
40 52 40 30 25
20 26 20 16 13
10 14 10 8 7
2 3 2 2 1
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www.r-biopharm.com.cn

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