Abstract
Carbon in stainless steel and plutonium metal in the 3–1000 ppm range is burned at 1300°C in a stream of purified oxygen and the carbon dioxide produced is quantified by integrating the signal from an infrared detector. The relative standard deviation is 10% or better. This method is approximately five times faster than the conventional manometric method and is equally accurate and precise. Use of a platinum resistance furnace makes the method more suitable for glove boxes or shielded enclosures than methods requiring inductively heated furnaces.
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