Atmospheric HCI monitor

Details Atmospheric HCI monitor Atmospheric HCI monitor

1989-03-16

1990-10-02

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204409, G01N 27416

Patent

active

049604961

ABSTRACT:
A device for performing rapid determinations on a real-time basis of about three to five seconds of the concentration of HCl in the atmosphere includes an air inlet conduit for sampling the HCl laden air, a pump for introducing trapping solution into the air inlet conduit, a spiral impinger for mixing and combining the air and trapping solution, a separator for separating a portion of the trapping solution and entrained air from the remaining trapping solution, and electrode flow cell for receiving the remaining trapping solution and for determining the chloride ion concentration in the trapping solution. The electrode flow cell includes a measuring electrode having a silver wire having a silver chloride coating inserted in the flow path of the trapping solution. A selector valve is inserted between the separator and the flow cell for alternatively feeding either the separated trapping solution to the flow cell or a standardizing solution to the flow cell.

REFERENCES:
patent: 4279727 (1981-07-01), Scheubeck et al.
patent: 4619739 (1986-10-01), Kanno et al.
R. R. Bailey et al., Anal. Chem., vol. 48, No. 12, pp. 1818-1819 (1976).
J. G. Converse et al., ISA Transactions, vol. 15, No. 3, pp. 220-226 (197 ).
S. H. Hoke, CPIA Publication 436, pp. 445-449, Nov. 1985.

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