| abstract |
The utility model discloses a kind of short vulcanization hydrogen capillary testing tube, it fills packed layer in pipe and pipe by capillary and formed, packed layer includes absorbed layer, conversion zone, color layer and fixed bed, wherein absorbed layer and fixed bed are formed by absorbent cotton filling, conversion zone is made up of the silica gel for having adsorbed fluorescence probe, and color layer is made up of pure silicon glue.Capillary testing tube of the present utility model can realize the quick identification and detection of high selectivity to hydrogen sulfide in aqueous phase, with the dual visualization function that changes colour under natural light and ultraviolet light, and it is easy to carry, simple to operate, it is easy to real time monitoring, has potential application prospect in environmental testing. |