Related Experiment Video
Updated: May 29, 2026
09:51
Atom Probe Tomography Studies on the Cu(In,Ga)Se2 Grain Boundaries
Published on: April 22, 2013
Indium determination using slotted quartz tube-atom trap-flame atomic absorption spectrometry and interference
Yasin Arslan1, Erdal Kendüzler, O Yavuz Ataman
1Department of Chemistry, Art and Science Faculty, Middle East Technical University, 06531 Ankara, Turkey.
Talanta
|August 30, 2011
Summary
This study enhances indium detection using a slotted quartz tube atom trap (SQT-AT-FAAS), improving sensitivity 400-fold over conventional flame atomic absorption spectrometry (FAAS). The method offers accurate indium determination in complex samples.
Area of Science:
- Analytical Chemistry
- Spectroscopy
Background:
- Flame atomic absorption spectrometry (FAAS) is a common technique for metal determination.
- Enhancing sensitivity in FAAS is crucial for detecting trace elements like indium.
Purpose of the Study:
- To develop and validate a highly sensitive method for indium determination.
- To investigate the use of a slotted quartz tube as an atom trap (AT) for sensitivity enhancement.
Main Methods:
- Utilized slotted quartz tube atom trap coupled with flame atomic absorption spectrometry (SQT-AT-FAAS).
- Analyte accumulation on the SQT inner wall followed by re-atomization using isobutyl methyl ketone (IBMK).
- Characterized trapped indium species using X-ray Photoelectron Spectrometry (XPS).
Main Results:
- Achieved a 400-fold sensitivity enhancement compared to conventional FAAS.
- Obtained a limit of detection of 2.60 ng mL(-1) with a 5.0 min collection period.
- Identified trapped indium species as In(2)O(3) on the SQT surface.
- Demonstrated accuracy by analyzing a standard reference material (Montana Soil, SRM 2710).
Conclusions:
- The SQT-AT-FAAS system significantly improves indium detection sensitivity.
- The method is accurate and suitable for determining indium in environmental samples.
More Related Videos
Related Concept Videos
01:25Atomic Absorption Spectroscopy: Interference
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.
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
01:29Atomic Fluorescence Spectroscopy
Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being excited by electromagnetic (EM) radiation. When these atoms absorb energy, they become excited and subsequently release energy as they return to their original state. This emitted light, or "fluorescence," is observed at a right angle to the incident beam. Both absorption and emission processes transpire at distinct wavelengths, which are...
01:21Atomic 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...
Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing nebulizer...
01:22Atomic Emission Spectroscopy: Instrumentation
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
01:20Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences
Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and refractory oxide ion...
01:22Atomic Absorption Spectroscopy: Instrumentation
An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
The atomizer used in AAS can be either a flame atomizer or an...
The atomizer used in AAS can be either a flame atomizer or an...