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UOP
Standard
Withdrawn, Replaced
Last Updated: Jul 24, 2002
Track Document
UOP430-70T
Basic Nitrogen in Gases by Acid Scrubbing
Basic Nitrogen in Gases by Acid Scrubbing
UOP430-70T
UOP|UOP430-70T|en-US
Basic Nitrogen in Gases by Acid Scrubbing
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Basic Nitrogen in Gases by Acid Scrubbing>
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This method is intended for determination of basic nitrogen in gases in the range of 0.05 to several hundred weight parts per million. It can be used for liquefied gases, such as stabilizer gas and polymerization unit feed stocks; also for gases such as hydrogen recycle gas from catalytic hydrotreating units. A titrimetric analysis used for samples containing more than 3 wt-ppm nitrogen determines the sum of ammonia and amines. A spectrophotometric analysis used below 3 wt-ppm nitrogen determines only ammonia.