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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>128SA丙烯腈气体检测管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%

丙烯腈气体检测管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%

简要描述:

丙烯腈气体检测管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%,气体检测管是用来检测某种气体在某一环境中所含浓度的简易检测装置,通过检测剂与被检测气体的反应而出现颜色变化,来表示所测环境中的气体浓度。在不用任何能源、电源的情况下,具有操作简单、使用范围广、检测准确、即时性强和经济的特点。

更新时间:2018-03-22

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丙烯腈气体检测管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%

丙烯腈气体检测管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%

Tube No.128SA
1. PERFORMANCE
1) Measuring range :0.1-3.5%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 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 1 pump stroke
8) Colour change :Orange→Dark green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCN+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.1
0.3
0.5
0.8
1.0
1.5
2.0
2.5
3.0
3.5
100ml
%
GAS To pump
128SA ACRYLONITRILE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
3.5 5.5 4.6 3.5 3.2 2.8
3.0 4.7 3.9 3.0 2.7 2.4
2.5 3.9 3.2 2.5 2.2 2.0
2.0 3.1 2.6 2.0 1.8 1.6
1.5 2.4 1.9 1.5 1.4 1.2
1.0 1.6 1.3 1.0 0.9 0.8
0.8 1.3 1.0 0.8 0.7 0.7
0.5 0.8 0.7 0.5 0.5 0.4
0.3 0.5 0.4 0.3 0.3 0.3
0.1 0.2 0.1 0.1 0.1 0.1
Substance Interference ppm Coexistence
Acetylene Whole layer is discolour- Whole layer is discoloured to Brown
ed to Brown. 3% and higher readings are given.
Propane 〃0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.
bons
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