초록

강력사건현장에서 유류된 토양을 감정하여 수사의 방향등을 제시하기 위하여 광물학적인 기초를 토대로 지역적인 토양을 채취하여 최첨단 장비로 방사성 동위원소분석,특정한 원소의 동위원소 비율을 측정하여 물리적인 특성과 화학적인 성분 분석을 상호 비교분석하여 법과학적인 토양의 동일성여부에 대한 시험법을 제시하고자 함.

Abstract ▼

This experiment was conducted to develop the degree of forensic scientific utilization with the trace amount of left in the soils which were collected as the evidences from crop theft, sexual assault and hit-and-run traffic accident.
Left in the soils at crime scenes has been utilized as a crimi

This experiment was conducted to develop the degree of forensic scientific utilization with the trace amount of left in the soils which were collected as the evidences from crop theft, sexual assault and hit-and-run traffic accident.
Left in the soils at crime scenes has been utilized as a criminal identification by combining the physical properties like classification by colors, forms of heavy and light minerals through gravity method and the chemical analysis method which measures the major elements included in the soils and the proportions between rare earth elements and other elements; but there has been a difficulty in small amount of soils.
Therefore in this experiment, some areas in Chung cheong and Chunbuk were selected and fresh soils were collected and separated by the sieve and sample preprocessing was conducted like decomposition of organic matters.
And subsequently , quantitative limitation of evidences was overcome by utilizing the half-life period of minerals through Neutron activation analysis (NAA) which is a nondestructive and multi-element analysis method, by selecting a specific radioactive isotope, by measuring the proportions of reciprocal isotopes, by combining the existing scientific identification and by applying to the small amount of samples.
In addition , evidences’ negative ion element contents which were in cluded in the soils and positive ion element contents which were extracted by the mixed oxides were measured.
Com parison results of an alyzed data through color an alysis according to the color difference meter showed that much better element analysis values according to the Neutron activation an alysis(NAA) and Thermal Ionization Mass Spectrometry in small amount of soils were acquired in soil identity experiment.

목차 Contents

• 연구사업 최종보고서 ... 1
• 성과요약문 ... 2
• Summary ... 3
• 목차 ... 4
• 제1장 연구개발과제의 개요 ... 5
• 제1절 연구개발과제의 목표 ... 5
• 제2절 연구개발과제의 필요성 ... 5
• 제2장 연구개발과제의 국내 • 외 연구개발 현황 ... 5
• 제3장 연구개발과제의 연구수행 내용 및 결과 ... 5
• 제1절 실험방법 ... 6
• 제2절 실험결과 ... 7
• 제3절 실험결과 및 고찰 ... 8
• 제4장 목표달성도 및 관련분야에의 기여도 ... 8
• 제5장 연구개발결과의 활용계획 ... 8
• 제1절 활용성과 ... 9
• 제2절 활용계획 ... 10
• 제6장 참고문헌 ... 10
• 제7장 첨부서류 ... 10
• 끝페이지 ... 10