G - Physics – 01 – N
Patent
G - Physics
01
N
150/20, 252/23
G01N 30/00 (2006.01) B01D 53/34 (2006.01)
Patent
CA 1222500
D-8134 C-3582 DIPHENYLAMINE COATED SORBENT SAMPLING CARTRIDGES FOR THE DETERMINATION OF NO2 IN AIR Abstract of the Disclosure A simple, low cost determination of nitrogen dioxide in air can be made by contacting a known volume of air with diphenylamine-coated sorbent particles to quantitatively remove the nitrogen dioxide. The nitrogen dioxide-diphenylamine reaction products are then analyzed to measure the amount of nitrogen dioxide present in the air volume.
473257
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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