Interlaboratory tests for your laboratory
Are you looking for high-quality proficiency tests and interlaboratory tests for your laboratory as part of your accreditation according to ISO/IEC 17025?
Benefit from QuoData's network or participate directly in the studies offered by QuoData. Together with established partners, QuoData contributes to a wide range of proficiency testing programs. You benefit from first-class evaluation and reporting, as well as digitalized processes that save you time in your daily work.
Below you will find a selection of interlaboratory testing programs where you can benefit from QuoData expertise:


QD Labs offers you a wide selection of more than 70 proficiency tests and reference materials.
- Environmental Simulation and Durability: e.g., flammability and burning behavior
- Mechanical Methods: e.g., tensile strength (ISO 527-2) and flexural strength
- Rheological and Viscometric Methods: e.g., melt mass-flow rate (MFR) – volume-flow rate (MVR)
- Analytical Methods: e.g., FTIR spectroscopy – identification of plastic granules
- Surfaces and Coatings: e.g., X-ray fluorescence analysis (XRF)
- Thermal and thermomechanical methods: DSC analysis (melting temperature/enthalpy and glass transition temperature)
First-class and cost-effective proficiency tests
QD Labs provides ISO/IEC 17043 accredited proficiency testing services with a focus on polymer material testing.
It provides industry professionals with the tools to benchmark their methods against standardized tests, maintain high quality standards, and meet the requirements of ISO/IEC 17025.
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Get an overview of the comprehensive range of proficiency tests and reference materials.
Is your forensic laboratory up to date?
The quo data Gesellschaft für Qualitätsmanagement und Statistik mbH organizes and evaluates annual rounds of international proficiency testing programs for forensic laboratories in cooperation with the European Network of Forensic Science Institutes (ENFSI).
The GSR proficiency testing program is accredited according to DIN EN ISO/IEC 17043:2010.
GSR proficiency testing program
(on behalf of ENFSI)
for the detection and classification of gunshot residues, in which forensic laboratories worldwide participate.
SDD proficiency testing program
(on behalf of ENFSI)
for estimating the shooting distance using chemographic staining, in which forensic laboratories worldwide participate.
Further interlaboratory tests for quality assurance
QuoData works closely with proficiency testing providers and federal agencies to help you ensure the quality of laboratories and analytical methods.
We carry out statistical calculations and prepare comprehensive reports using our in-house special software for interlaboratory tests.
CEQAT-DGHS
(in cooperation with BAM and PTB)
The Federal Institute for Materials Research and Testing (BAM) organizes regular proficiency testing to ensure the quality of laboratories and reduce the risk of chemical accidents.
The proficiency testing "Centre for quality assurance for testing of dangerous goods and hazardous substances" uses standardized testing methods, that are also in usage worldwide.
Food safety of dairy products
(in cooperation with QSE)
QSE GmbH plans and organizes a biannual proficiency test for the analysis of milk and dairy products.
QuoData GmbH carries out statistical calculations and the preparation of result reports using our PROLab Plus software.
Proficiency testing as a service
Optimize the design and management of your proficiency tests with our comprehensive service for independent proficiency testing providers:
Do you have any further questions?
We offer numerous other proficiency testing programs.
We are happy to provide you with our full program: