Analysis of the chemical composition of metals

Spectral Analysis

Analysis of the chemical composition of metals

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  • OES & XRF Analysis
  • Steels, Aluminum & Copper Alloys
  • Digital Test Reports
  • Sample Preparation & Archiving
  • DAkkS Accredited
Zertifikat DIN EN ISO/IEC 17025 DIN EN ISO 9001 und DIN EN ISO/IEC 17011 Akkreditierung DAKKS Zertifikat DIN EN ISO 14001:2015 Zertifikat DIN 27201-7 Inspektionsbescheinigung Bahn

Chemical Material Analysis

Spectral Analysis – Process & Application

Schematic representation of spectral analysis

Spectral Analysis Scheme

Spectral analysis is used for the precise determination of the chemical composition of metallic materials. With Optical Emission Spectrometry (OES) and X-ray Fluorescence Analysis (XRF), even the smallest alloying elements can be reliably detected.

Our laboratory is accredited for OES analysis and uses state-of-the-art equipment. This allows us to deliver fast and precise results, documented in standards-compliant test reports.

Our Services
  • OES on steels and cast materials
  • OES of copper and aluminum alloys
  • X-ray Fluorescence Analysis (XRF)
  • Sample preparation & archiving
  • Free transport for series testing
  • Digital test reports
Applications
  • Quality assurance of cast and forged parts
  • Analysis of aluminum and copper alloys
  • Material testing of sheets and rods
  • Verification of alloy compositions

Spectral analysis provides crucial information for assessing the quality and usability of metallic materials – whether in the automotive industry, aerospace, or mechanical engineering.

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Related Methods

Verfahren & Methoden 

Tensile Test

Tensile Test

 Charpy Impact Test

Charpy Impact Test

 Metallography

Metallography

 Hardness Testing

Hardness Testing
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Accredited according to DIN EN ISO/IEC 17025.

FAQ

Frequently Asked Questions

What is Zeros GmbH?

Zeros GmbH is an independent testing laboratory for destructive and non-destructive materials testing. We support companies from incoming inspection to series release – including digital test reports and full traceability.

We operate under accreditation to DIN EN ISO/IEC 17025 (quality management for laboratories). See our current accreditation information here.

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Which standards is Zeros GmbH accredited to?

We are accredited by DAkkS to DIN EN ISO/IEC 17025. This standard ensures that test methods, equipment control, personnel qualification and reporting meet the highest requirements.

An overview of services and scopes is available on our homepage.

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What services does Zeros GmbH offer?

Our portfolio covers NDT (UT, RT, MT, PT, VT), mechanical testing (tensile, hardness, Charpy), metallography (microstructure, grain size, coating thickness) and chemical analysis (e.g. OES, XRF). We also provide specimen preparation, documentation and consulting.

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How can I use Zeros GmbH's services?

Please contact us by email or use the contact option on the website. Share material, standard/specification and quantity – we'll get back to you promptly with a solution.

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How Spectral Analysis Works

Material sample during spectral analysis Material sample during spectral analysis

OES & XRF

Technical Background

In OES analysis, a small part of the sample surface is vaporized by an electrical discharge. The resulting plasma contains the alloying elements, whose specific emission lines are measured and evaluated.

The spectrometer separates the light into its wavelengths using a diffraction grating and measures the intensity. This determines the percentage composition of the elements.

In XRF, the sample is excited with X-rays. The emitted characteristic radiation also allows precise element analysis – especially for alloys and coatings.

The results are digitally documented and provided in a test report.