Chemistry: physical processes – Physical processes – Crystallization
Patent
1980-12-24
1982-10-05
Smith, William F.
Chemistry: physical processes
Physical processes
Crystallization
23230PC, 422 80, G01N 3108
Patent
active
043526730
ABSTRACT:
The method of the invention comprises the successive steps of: (a) heating the sample in an inert atmosphere to a first temperature capable of cracking at least a fraction of the organic material contained in the sample; (b) measuring the amount of organic carbon contained in at least a fraction of the effluent resulting from this cracking; (c) heating the sample in an oxidizing atmosphere to a second temperature at most equal to the first temperature; (d) measuring the amount of organic carbon in the effluent produced by the oxidation of the organic material, and (e) deriving from the above measurements the total organic carbon content of the sample. In order to perform the method of the invention, there is also provided means for performing each of the successive steps. In a further refinement, the method also includes steps for determining the mineral carbon content so that the total carbon content of the sample can be determined.
REFERENCES:
patent: 3880587 (1975-04-01), Szakasits et al.
patent: 3953171 (1976-04-01), Espitalie et al.
patent: 4153415 (1979-05-01), Espitalie et al.
patent: 4213763 (1980-07-01), Madec et al.
Espitalie Jean
Leplat Paul
Madec Marcel
Paulet Jacques
Institut Francais du Pe'trole
Smith William F.
Societe Labofina S.A.
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