| 摘要 |
PROBLEM TO BE SOLVED: To provide an analysis method of oil content in soil, capable of quickly performing quantitative and qualitative analysis as to whether or not oil content such as gasoline is included in soil, and if the oil content is included, as to what kind of, and how amount of component is included.SOLUTION: The analysis method of oil content included in soil includes: a step for agitating a mixed solution of a solvent for extraction and soil and filtering the mixed solution to obtain a sample; a step for generating sample gas from the sample; and a step for supplying the sample gas to a vacuum chamber, irradiating a laser beam to the sample gas to ionize the sample gas and introducing the ionized sample gas to flight time type mass spectrometry means. |
