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Related Concept Videos

Atomic Absorption Spectroscopy: Lab01:21

Atomic Absorption Spectroscopy: Lab

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For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
 Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing...
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Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

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AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
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Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

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Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
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Atomic Emission Spectroscopy: Overview01:20

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Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
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Atomic Absorption Spectroscopy: Interference01:25

Atomic Absorption Spectroscopy: Interference

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Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These interferences can be grouped into three main categories: spectral interference, chemical interference, and physical interference.
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Applications Of NMR In Biology01:25

Applications Of NMR In Biology

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Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
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Related Experiment Video

Updated: Jul 25, 2025

In Situ Detection and Single Cell Quantification of Metal Oxide Nanoparticles Using Nuclear Microprobe Analysis
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Addressing forensic science challenges with nuclear analytical techniques - A review.

A Simon1, N Pessoa Barradas1, C Jeynes2

  • 1International Atomic Energy Agency, Vienna, Austria.

Forensic Science International
|June 29, 2023
PubMed
Summary

Nuclear Analytical Techniques (NATs) offer powerful forensic analysis for diverse applications, from drug testing to art forgery. Their global availability presents opportunities for increased use in casework.

Keywords:
Accelerator Mass SpectrometryChemical analysisForensic analysisIon Beam AnalysisNeutron Activation AnalysisNeutron ScatteringNuclear Analytical TechniquesPIXERBSRadiocarbon datingSynergistic methodsTotal-IBA

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Area of Science:

  • Forensic Science
  • Analytical Chemistry
  • Nuclear Physics

Background:

  • Nuclear Analytical Techniques (NATs) are crucial for detailed material analysis.
  • Their application in forensic science has not been comprehensively reviewed.
  • NATs offer unique capabilities for elemental and molecular characterization.

Purpose of the Study:

  • To provide the first comprehensive review of Nuclear Analytical Techniques (NATs) in forensic science.
  • To highlight the diverse forensic applications of NATs.
  • To emphasize the global accessibility and potential for increased use of NATs in forensic casework.

Main Methods:

  • Neutron Activation Analysis (NAA) for elemental analysis using nuclear reactors.
  • Accelerator-based techniques like Ion Beam Analysis (IBA) for elemental and molecular analysis.
  • Accelerator Mass Spectrometry (AMS) for radiocarbon dating and trace analysis.

Main Results:

  • NATs have been successfully applied to a wide range of forensic problems.
  • Specific applications include analysis of drugs, food fraud, counterfeit medicines, gunshot residue, glass, art forgeries, and human materials.
  • In certain forensic cases, NATs provide indispensable information unattainable by other methods.

Conclusions:

  • Nuclear Analytical Techniques (NATs) are versatile and powerful tools for forensic investigations.
  • The widespread availability of NATs worldwide facilitates their broader adoption in routine forensic analysis.
  • Increased utilization of NATs can significantly enhance the accuracy and scope of forensic evidence.