Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is formed in...
Atomic Absorption Spectroscopy: Lab01:21

Atomic Absorption Spectroscopy: Lab

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 nebulizer...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Methanogenic biodegradation of cyclohexane by microbial consortia from oil sands tailings.

The Science of the total environment·2025
Same author

Utilizing surface modified poultry feathers for senary multi-metal water purification: kinetic and thermodynamic behavior of heavy metal-laden biosorbent.

RSC advances·2025
Same author

Pre-treatment with extraction solvent yields higher recovery: Method optimization for efficient determination of polycyclic aromatic hydrocarbons in organic-rich fine-textured wastes.

Journal of environmental quality·2025
Same author

Microbial interactions with magnetite enhance methane production from hydrocarbon biodegradation.

Journal of hazardous materials·2025
Same author

Crystalline iron oxide mineral (magnetite) accelerates methane production from petroleum hydrocarbon biodegradation.

Environmental pollution (Barking, Essex : 1987)·2024
Same author

Correction to "Ion-Exchange Resin/Carrageenan-Copper-Based Nanocomposite: Artificial Neural Network, Advanced Thermodynamic Profiling, and Anticoagulant Studies".

ACS omega·2024
Same journal

Smartphone-assisted fluorescence and colorimetric dual-mode sensor for visual quantitative detection of nitrite and nitrate in real samples.

Analytica chimica acta·2026
Same journal

Folding integrated all-paper photoelectrochemical immunoassay using annealed ZnO for point-of-care detection of ferritin.

Analytica chimica acta·2026
Same journal

Dual-mode electrochemical-SERS detection of chloramphenicol based on dual-signal enhancement.

Analytica chimica acta·2026
Same journal

Multi-screening of beta-lactam antibiotics in milk based on Fe<sub>3</sub>O<sub>4</sub>@phage/bacteria system and aggregation induced emission luminogen.

Analytica chimica acta·2026
Same journal

A porous phosphate-rich β-cyclodextrin polymer for efficient and broad-spectrum enrichment of antibiotics.

Analytica chimica acta·2026
Same journal

Corrigendum to "LUMIN: A novel algorithm for automated mixture quantification using 1D <sup>1</sup>H NMR spectra" [Analytica Chimica Acta 1411 (2026) 345639].

Analytica chimica acta·2026
See all related articles

Related Experiment Video

Updated: May 10, 2026

Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
08:21

Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.

Published on: September 1, 2017

A modified sequential extraction method for arsenic fractionation in sediments.

Muhammad Babar Javed1, Gary Kachanoski, Tariq Siddique

  • 1Department of Renewable Resources, University of Alberta, Edmonton, AB, Canada.

Analytica Chimica Acta
|July 9, 2013
PubMed
Summary
This summary is machine-generated.

A new sequential extraction method accurately characterizes arsenic in sediments, overcoming limitations of existing techniques. This improved method ensures over 90% arsenic fractionation for reliable analysis using ICP-MS.

Keywords:
Arsenic fractionationInductively coupled plasma mass spectroscopyPolyatomic ion interferenceSequential extraction

More Related Videos

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
08:01

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide

Published on: June 28, 2019

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions
08:38

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions

Published on: February 15, 2019

Related Experiment Videos

Last Updated: May 10, 2026

Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
08:21

Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.

Published on: September 1, 2017

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
08:01

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide

Published on: June 28, 2019

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions
08:38

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions

Published on: February 15, 2019

Area of Science:

  • Environmental Chemistry
  • Geochemistry
  • Analytical Chemistry

Background:

  • Sequential extraction methods are crucial for characterizing metal speciation in sediments.
  • Existing methods often leave a significant portion of arsenic (As) in the residual fraction, limiting accurate characterization.
  • Inductively coupled plasma mass spectrometry (ICP-MS) is a powerful tool for elemental analysis, but can be affected by interferences like polyatomic ions.

Purpose of the Study:

  • To develop a modified sequential extraction method for improved arsenic (As) characterization in sediments.
  • To enhance the fractionation efficiency of As in unconsolidated glacial deposits.
  • To validate the method's reliability for As and other metals (Cu, Co, Cr, Sr) analysis using ICP-MS.

Main Methods:

  • A novel sequential extraction scheme was designed to fractionate As in sediment samples.
  • The method was tested on sediments with varying As concentrations (3-35 μg g⁻¹).
  • Extractants free of chloride were employed to prevent argon chloride interferences during ICP-MS analysis.

Main Results:

  • The developed method achieved >90% fractionation of As in sediments.
  • Recovered As amounts were comparable to total As extracted by acid digestion (83-122%).
  • Fractionation of other metals (Cu, Co, Cr, Sr) also showed good agreement with total acid digestion (96-104%).

Conclusions:

  • The modified sequential extraction method provides a reliable approach for complete As and other metal fractionation in sediments.
  • Eliminating chloride from extractants effectively resolves ICP-MS interferences.
  • This method enhances the accuracy of geochemical speciation studies in environmental samples.