Determination of nitrogen compound distribution in petroleum by gas chromatography with a thermionic detector. [Hydrocracked recycle oil, light catalytic cycle oils, light vacuum gas oil]
Journal Article
·
· Anal. Chem.; (United States)
A selective thermionic nitrogen detector was used in combination with a flame-ionization detector for the gas chromatographic determination of nitrogen compound distribution in light catalytic cycle oil and light vacuum gas oil. Distribution of the dominant nitrogen compound types--pyridines, quinolines, indoles, and carbazoles--was determined by compound type and carbon number in the cycle oil and by boiling point in the vacuum gas oil. Accuracy and precision of the method were judged from analysis of reference blends, comparison to nitrogen distribution obtained by gas chromatography with a microcoulometric detector for a cycle oil, and comparison to distribution obtained from elemental nitrogen analyses of distillation fractions of a light vacuum gas oil. With reference blends, accuracy approached precision--about 3% relative. For gas oils, accuracy was generally about 7 to 8% relative. The analyses particularly demonstrate the feasibility of employing the thermionic detector to determine nitrogen compound distribution by boiling point. 7 figs., 8 tables.
- Research Organization:
- Standard Oil Co., Naperville, IL
- OSTI ID:
- 6495258
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 50:13; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
023000* -- Petroleum-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
ACCURACY
AZINES
AZOLES
BOILING POINTS
CARBAZOLES
CHEMICAL ANALYSIS
CHEMICAL COMPOSITION
CHROMATOGRAPHY
COMPARATIVE EVALUATIONS
DISTRIBUTION FUNCTIONS
EMISSION
GAS CHROMATOGRAPHY
HETEROCYCLIC COMPOUNDS
INDOLES
MEASURING INSTRUMENTS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PYRIDINES
PYRROLES
QUALITATIVE CHEMICAL ANALYSIS
QUANTITATIVE CHEMICAL ANALYSIS
QUINOLINES
SEPARATION PROCESSES
THERMIONIC EMISSION
THERMODYNAMIC PROPERTIES
TIME DEPENDENCE
TRANSITION TEMPERATURE
023000* -- Petroleum-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
ACCURACY
AZINES
AZOLES
BOILING POINTS
CARBAZOLES
CHEMICAL ANALYSIS
CHEMICAL COMPOSITION
CHROMATOGRAPHY
COMPARATIVE EVALUATIONS
DISTRIBUTION FUNCTIONS
EMISSION
GAS CHROMATOGRAPHY
HETEROCYCLIC COMPOUNDS
INDOLES
MEASURING INSTRUMENTS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PYRIDINES
PYRROLES
QUALITATIVE CHEMICAL ANALYSIS
QUANTITATIVE CHEMICAL ANALYSIS
QUINOLINES
SEPARATION PROCESSES
THERMIONIC EMISSION
THERMODYNAMIC PROPERTIES
TIME DEPENDENCE
TRANSITION TEMPERATURE