丙烯腈气体检知管128SB ACRYLONITRILE CH2=CHCN 0.1-3.5%

128SB丙烯腈气体检知管128SB ACRYLONITRILE CH2=CHCN 0.1-3.5%

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2022-06-02 18:20:02
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产品简介

丙烯腈气体检知管128SB 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。

详细介绍

丙烯腈气体检知管128SB ACRYLONITRILE CH2=CHCN 0.1-3.5%

1.PERFORMANCE
1)Measuring range:10-500 ppm
Number of pump strokes (1100mL)
2)Sampling time:1.5 minutes/1 pump stroke
3)Detectable limit:1 ppm
4)Shelf life:2 years
5)Operating temperature:0~40℃
7)Reading:
8)Colour change:Yellow→Pale blue
2.RELATIVE STANDARD DEVIATION
RSD-low:5%RSD-mid:5%RSD-high:5%
3.CHEMICAL REACTION
Chromium oxide is reduced.
CH 2=CHCN+Cr6++H 2SO 4→Cr3+
 

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