Determination of the enthalpies of combustion and formation of substituted triazines in an adiabatic rotating bomb calorimeter
Journal Article
·
· J. Res. Natl. Bur. Stand. (U.S.); (United States)
To obtain reliable thermodynamic data on substituted triazines, it is necessary to use a calorimeter that is capable of high precision with small quantities of sample and in which a homogeneous solution o the corrosive combustion products can be maintained. The enthalpies of combustion of six substituted triazines have been determined in a platinum-lined adiabatic rotating bomb calorimeter. These are the first determinations of enthalpies of combustion or formation to have been reported for these compounds. The values derived for the enthalpies of formation in kJ/mol at 25 /sup 0/ C are as follows: 2,4,6-trimethoxy-1,3,5-triazine, -478.60 + or - 0.87; 2,4,6-triethoxy-1,3,5-triazine, -584.99 + or - 1.50; 2,4,6-tris(2-fluoro-2,2-dinitroethoxy)-1,3,5-triazine, -1109.80 + or - 1.53; 2,4-dimethoxy-6-(2-fluoro-2,2-dinitroethoxy)-1,3,5-triazine, -697.08 + or - 1.15; 2-methoxy-4,6-bis(2-fluoro-2,2-dinitroethoxy)-1,3,5-triazine, -907.71 + or - 2.40; 2-amino-4,6-bis(2-fluoro2,2-dinitroethoxy)-1,3,5-triazine, -773.12 + or - 1.50.
- Research Organization:
- National Bureau of Standards, Gaithersburg, MD
- OSTI ID:
- 6130817
- Journal Information:
- J. Res. Natl. Bur. Stand. (U.S.); (United States), Journal Name: J. Res. Natl. Bur. Stand. (U.S.); (United States) Vol. 90:4; ISSN JRNBA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
023000* -- Petroleum-- Properties & Composition
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
AZINES
CALORIMETERS
CALORIMETRY
CHEMICAL COMPOSITION
COMBUSTION HEAT
COMBUSTION PRODUCTS
DATA
ENERGY
ENTHALPY
EXPERIMENTAL DATA
FORMATION HEAT
HEAT
HETEROCYCLIC COMPOUNDS
INFORMATION
MEASURING INSTRUMENTS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTION HEAT
TEMPERATURE MEASUREMENT
THERMODYNAMIC PROPERTIES
TRIAZINES
023000* -- Petroleum-- Properties & Composition
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
AZINES
CALORIMETERS
CALORIMETRY
CHEMICAL COMPOSITION
COMBUSTION HEAT
COMBUSTION PRODUCTS
DATA
ENERGY
ENTHALPY
EXPERIMENTAL DATA
FORMATION HEAT
HEAT
HETEROCYCLIC COMPOUNDS
INFORMATION
MEASURING INSTRUMENTS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTION HEAT
TEMPERATURE MEASUREMENT
THERMODYNAMIC PROPERTIES
TRIAZINES