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丙烯腈測(cè)毒管128SC ACRYLONITRILE CH2=CHCN 1-120ppm，氣體檢測(cè)管是用來(lái)檢測(cè)某種氣體在某一環(huán)境中所含濃度的簡(jiǎn)易檢測(cè)裝置，通過(guò)檢測(cè)劑與被檢測(cè)氣體的反應(yīng)而出現(xiàn)顏色變化，來(lái)表示所測(cè)環(huán)境中的氣體濃度。在不用任何能源、電源的情況下，具有操作簡(jiǎn)單、使用范圍廣、檢測(cè)準(zhǔn)確、即時(shí)性強(qiáng)和經(jīng)濟(jì)的特點(diǎn)。
更新時(shí)間：2025-09-17
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丙烯腈測(cè)毒管128SC ACRYLONITRILE CH2=CHCN 1-120ppm
1.PERFORMANCE
1）Measuring range 1-120 ppm
Number of pump strokes 2 200ml
2）Sampling time 3 minutes/2 pump strokes
3）Detectable limit 0.5 ppm 200mr
4）Shelf life 1 year Necessary to store in refrigerated place;0 10
5）Operating temperature 0 40
6）Temperature compensation Necessary See"TEMPERATURE CORRECTION TABLE"
7）Reading Direct reading from the scale calibrated by 2 pump strokes
8）Colour change Yellow Pink
2.RELATIVE STANDARD DEVIATION
RSD-low 10 y RSD-mid.10 y RSD-high 5
3.CHEMICAL REACTION
By decomposing with an Oxidizer,Hydrogen cyanide is produced.This Hydrogen cyanide reacts with Mercuric
chloride,then Hydrogen chloride is liberated and PH indicator is discoloured.
CH2 CHCN CrO3 H2SO4 HCN
HCN HgCI2 HCI Hg CN 2
上一篇：128SB丙烯腈氣體檢知管128SB ACRYLONITRILE CH2=CHCN 0.1-3.5%
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