Chemistry: analytical and immunological testing – Measurement includes temperature change of the material...
Patent
1996-11-13
1998-07-28
Warden, Jill
Chemistry: analytical and immunological testing
Measurement includes temperature change of the material...
436 25, 436 28, 436 29, 436 30, 436 31, 436 32, 436139, 436140, 436141, 436143, 436145, 436146, 436149, 436150, 436154, 436155, 436157, 436158, 422 54, 422 78, 422 80, 422 8205, G01N 3112
Patent
active
057862257
ABSTRACT:
A method of evaluating at least on type of pollution characteristic in a soil sample contaminated by hydrocarbon compounds, a method wherein the soil sample is first heated in a non-oxidizing atmosphere, then in an oxidizing atmosphere. The method comprises several temperature rise stages from which at least five quantities Q.sub.0, Q.sub.1, Q.sub.2, Q.sub.3 and Q.sub.4 are measured, wherein the quantities represent concentrations of hydrocarbon compounds in the soil sample. At least one type of pollution characteristic of the sample is determined from quantities Q.sub.0, Q.sub.1, Q.sub.2, Q.sub.3 and Q.sub.4.
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Ducreux Jean
Lafargue Eric
Marquis Fran.cedilla.ois
Pillot Daniel
Carrillo Sharidan
Institut Francais du Pe'trole
Warden Jill
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