丙烯腈測毒管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