G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/84 (2006.01) G01N 21/76 (2006.01) G01N 31/00 (2006.01) G01N 33/00 (2006.01) G01N 33/52 (2006.01)
Patent
CA 2102146
Abstract The present invention relates to a method and a device for the measurement of NO contents in liquids using an inert carrier gas, wherein said, that the device consists out of micro reaction part Fig. 1 which is divided into an inert gas inlet nozzle 1, the microreaction vessel 2 with frit 3, at least one inlet nozzle for the injection of the liquid to be analyzed 4, as well as a cooled outlet nozzle for the inert gas loaded with NO 5, and a detector 6, with which the NO content of the inset liquid is measured and evaluated, and where the NO2- ions present in the solution are reduced back to NO using a reaction mixture consisting out of 1,1' dimethyl?errocane in acetonitrile in an acidic medium, preferably perchloric acid.
Fetherstonhaugh & Co.
Termin Andreas P.
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