Forensic Analysis of Soil Evidence

Pitts, Kari; Lewis, Simon W.; Newland, Talia

doi:10.1016/b978-0-12-409547-2.14201-5

Cited by 3 publications

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“…It is formed of four main systems; the Quindalup, Spearwood, and Bassendean dunes, and the Pinjarra Plain (11)(12)(13)(14). A more detailed description of the Perth dune systems can be found in Pitts et al (15). Within these dunes, the majority of soils are heavily leached quartz sands, with only small deviations in their mineral compositions (13,14).…”

Section: Introductionmentioning

confidence: 99%

Multimodal spectroscopy with chemometrics for the forensic analysis of Western Australian sandy soils

2022

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Section: Introductionmentioning

confidence: 99%

Multimodal spectroscopy with chemometrics for the forensic analysis of Western Australian sandy soils

2022

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“…Four main systems form the Swan Coastal Plain; the Quindalup, Spearwood, and Bassendean dunes, as well as the Pinjarra Plain (15)(16)(17)(18). A more detailed description of the Perth dune systems can be found in Pitts et al (19). Within these dunes, the majority of soils are heavily leached, with only small deviations in their mineral compositions (17,18).…”

Section: Introductionmentioning

confidence: 99%

Multimodal spectroscopy with chemometrics for the forensic analysis of the inorganic content of Western Australian sandy soils

Newland

Pitts

Lewis

2021

Preprint

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This study demonstrates a multi-modal analytical sequence suited to the characterisation of sandy soils, which remain an underutilised form of forensic trace evidence. Within the Swan Coastal Plain in Perth, Western Australia, most soils are heavily leached with only small deviations in their mineral compositions. Traditional soil analyses are hence rendered inappropriate for use due to the lack of clay and organic matter. This has led to inorganic methods of analysis predominating, in addition to experimentation with modified techniques. One example is utilisation of the quartz-recovered fine fraction, which is suitable for dry, quartz-dominated sandy soils. In this study, preliminary investigations used the spectroscopic techniques microspectrophotometry, infrared spectroscopy, and x-ray diffraction, to develop a multi-faceted approach for the forensic analysis of the quartz fine fraction of soils. These data were then combined with principal component analysis to demonstrate how chemometrics can assist with objective characterisation and differentiation of sandy soil samples for forensic purposes. Chemometric analysis has not previously been attempted with data obtained from the quartz fine fraction. This methodology is transferable to other jurisdictions where dry, sandy soils predominate.

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Multimodal spectroscopy with chemometrics for the forensic analysis of Western Australian sandy soils

Newland

Pitts

Lewis

2022

Preprint

Self Cite

View full text Add to dashboard Cite

This study demonstrates a multi-modal analytical sequence suited to the characterisation of sandy soils, which remain an underutilised form of forensic trace evidence. Within the Swan Coastal Plain in Perth, Western Australia, most soils are heavily leached with only small deviations in their mineral compositions. Their lack of clay and organic matter has led to inorganic methods of analysis predominating, in addition to experimentation with modified techniques. One example is utilisation of the quartz-recovered fine fraction, which is suitable for dry, quartz-dominated sandy soils. In this study, preliminary investigations used the spectroscopic techniques microspectrophotometry, infrared spectroscopy, and x-ray diffraction, to develop a multi-faceted approach for the forensic analysis of the quartz fine fraction of soils. These data were then combined with principal component analysis to demonstrate how chemometrics can assist with objective characterisation and differentiation of sandy soil samples for forensic purposes. Chemometric analysis has not previously been attempted with data obtained from the quartz fine fraction. This methodology is transferable to other jurisdictions where dry, sandy soils predominate.

show abstract

Forensic Analysis of Soil Evidence

Cited by 3 publications

References 0 publications

Multimodal spectroscopy with chemometrics for the forensic analysis of Western Australian sandy soils

Multimodal spectroscopy with chemometrics for the forensic analysis of Western Australian sandy soils

Multimodal spectroscopy with chemometrics for the forensic analysis of the inorganic content of Western Australian sandy soils

Multimodal spectroscopy with chemometrics for the forensic analysis of Western Australian sandy soils

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