G - Physics – 01 – N
Patent
G - Physics
01
N
150/19, 73/95
G01N 31/12 (2006.01)
Patent
CA 1187773
ANALYTICAL METHOD FOR THE DETERMINATION OF NITROGEN, CARBON, HYDROGEN AND SULFUR OR CHLORINE AND APPARATUS THEREFOR Abstract of the Disclosure The invention provides an analytical method for the independent or simultaneous determination of any number of elements, nitrogen, carbon, hydrogen and sulfur or chlorine in samples, which comprises passing an oxygen gas through a reaction tube packed with an oxidation catalyst or oxidizing agent having a heating zone of from 800°C to 1100°C, introducing a sample into the tube to subject it to complete combustion, uniformalizing the gas, dividing the gas into two portions, and introducing the one por- tion on a carrier gas into copper-reducing tube having a heating zone of from 400°C to 700°C, determining the resulting nitrogen gas, carbon dioxide gas and steam or acetylene gas on a gas detector, while introducing the other portion on an oxygen gas into an absorption liquor, and determining the resulting sulfate or chlorine ion. The invention also relates to an apparatus useful therefor.
390062
Kirby Eades Gale Baker
Sumitomo Chemical Company Limited
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