Inductively Coupled Plasma Atomic Emission Spectroscopy

Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) is an analytical technique used to determine the elemental composition of a sample.

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Overview
Scope, Applications, and Benefits
Test Process
Specifications
Instrumentation
Results and Deliverables

Overview

The analytical technique that we are going to discuss in this section is Inductively Coupled Plasma Atomic Emission Spectroscopy, or ICP-AES, which is also referred to as ICP-OES. This technique is used for determining the elements that are present in a material based on the light that is emitted by these elements when they are heated at extremely high temperatures.

The sample is mixed with a suitable solvent and fed into an argon plasma, and at temperatures that go up to 6000-10,000 kelvin, these elements get heated and emit light. This light is detected, and the amount of light that is emitted at any given wavelength is directly proportional to the amount of that element that is present in the sample.

Scope, Applications, and Benefits

Scope

Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) is a technique used to analyse small and large amounts of elements in various materials. ICP-AES is a reliable technique used to analyse multi-elements. It is used to identify various elements present in a sample along with impurities and contaminants.

Applications:
-Trace metals
-Major elements
-Impurities and contaminants

Applications

Elemental analysis of metals and alloys
Impurity detection in polymers and chemicals
Quality control of raw materials
Environmental monitoring of water and soil
Analysis of semiconductor materials
Evaluation of coatings and thin films

Benefits

Simultaneous multi-element analysis
High sensitivity and accuracy
Wide dynamic concentration range
Rapid analytical throughput
Applicable to solids, liquids, and dissolved samples
Detection of trace level impurities
Reliable and reproducible results

Test Process

Sample Preparation

The sample is dissolved or diluted using suitable acids or solvents to obtain a liquid solution.

Nebulization & Plasma Introduction

The liquid sample is converted into a fine aerosol and introduced into the high-temperature plasma.

Atomization & Emission

In the plasma, elements are atomized and excited, emitting characteristic wavelengths of light.

Detection & Analysis

The emitted light is measured by a spectrometer to determine elemental concentrations.

Technical Specifications

Parameter	Details
Plasma Temperature	Approximately 6000–10,000 K
Applicable Materials	Metals, polymers, ceramics, environmental samples, chemicals, electronic materials
Elements Detected	Trace metals and major elements
Detection Capability	Parts per million (ppm) to parts per billion (ppb) depending on element
Output Units	ppm, ppb, mg/kg, or percentage concentration

Instrumentation Used for Testing

ICP-AES / ICP-OES spectrometer
Inductively coupled plasma source
Nebuliser and spray chamber
Radiofrequency generator
Optical spectrometer and detectors
Autosampler system
Analytical balance
Acid digestion or sample preparation equipment
Data acquisition and analysis software

Results and Deliverables

Quantitative elemental concentration report
Multi-element analysis results
Trace impurity identification
Material composition profile
Comparative analysis reports
Reports

Why Choose Infinita Lab for ICP-AES?

At the core of this breadth is our network of 2,000+ accredited labs in the USA, offering access to over 10,000 test types. From advanced metrology (SEM, TEM, RBS, XPS) to mechanical, dielectric, environmental, and standardised ASTM/ISO testing, we give clients unmatched flexibility, specialisation, and scale. You’re not limited by geography, facility, or methodology—Infinita connects you to the right testing, every time.

Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote

Frequently Asked Questions

ICP-AES, which stands for Inductively Coupled Plasma Atomic Emission Spectroscopy, is a procedure that helps determine the amount of many elements that are in a given sample by monitoring the light that is given off as the atoms get excited and heat up.

This procedure works with a wide variety of materials, from metals and alloys, to plastics, ceramics, glass, and chemical samples, as well as rocks and minerals.

It can be used to identify many elements, both metals and non-metals, such as aluminium, iron, copper, zinc, calcium, magnesium, sodium, potassium, and many trace metals.

ICP-AES generally detects a range of concentrations from parts per million (ppm) through parts per billion (ppb). The range depends on the element of interest and sample matrix.

Yes. One of the main advantages of ICP-AES is its ability to simultaneously detect and quantify multiple elements in a single measurement.