Title:
ESTIMATION METHOD OF ORIGIN COMPONENT AMOUNT IN DEPOSIT
Document Type and Number:
Japanese Patent JP2022118440
Kind Code:
A
Abstract:
To provide a method for quantitating respective components in a deposit and estimating an amount ratio of generation sources of respective components.SOLUTION: An estimation method of an origin component amount in a deposit comprises: an organic solvent extraction step of performing organic solvent extraction to the deposit being a measurement target, and acquiring a solid component which is an insoluble matter, and a soluble matter; a classification step of classifying the solid component obtained in the organic solvent extraction step, into an organic carbon component, an inorganic carbon component and a metal component; a quantitation step of quantitating an aromatic component and an aliphatic component in the organic carbon component; and an estimation step of, in an amount ratio of the quantified aromatic component and the aliphatic component, estimating a value of a ratio of the aromatic component as a component amount which is originated from raw material gasoline in the solid component of the deposit, and estimating a value of a ratio of the aliphatic component as a component amount originated from a raw material engine oil in the solid component of the deposit.SELECTED DRAWING: Figure 1
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Inventors:
TOBE SHOTA
YOSHIZAWA SATOSHI
MIYAUCHI KOJI
YOSHIZAWA SATOSHI
MIYAUCHI KOJI
Application Number:
JP2021014974A
Publication Date:
August 15, 2022
Filing Date:
February 02, 2021
Export Citation:
Assignee:
SUBARU CORP
UBE SCIENT ANALYSIS LABORATORY INC
UBE SCIENT ANALYSIS LABORATORY INC
International Classes:
G01N33/22; G01N5/04; G01N24/08; G01N25/20
Attorney, Agent or Firm:
Sato Eto
Previous Patent: JPWO2022118439
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