SGS LQSI Proficiency Testing

Metallurgical and Roasting Technologies

How can you be sure your laboratory is delivering quality results?

Proficiency testing from SGS, an ISO 17043 accredited provider, ensures that the test results provided by your laboratory are accurate and meet the ever increasing demands of quality management systems developed by national, international and industry standards organizations. It creates customer and stakeholder confidence in the quality of your laboratory analysis services.

Our Services

We offer a wide range of minerals proficiency testing programs (PTPs) to confirm the technical validity of your lab’s results. We offer PTPs for:

  • Coal
  • Metallurgical coke
  • Petroleum coke
  • Solid biofuels
  • Fertilizers (phosphate, nitrogen, potassium/potash and rock phosphate)
  • Concentrates (copper, lead and zinc)
  • Ores (chrome, iron, manganese, gold and base metals)
  • Bauxite
  • Sulfur
  • Limestone
  • Cement clinker

The Process

We will send you a quality control sample for analysis. You must enter your results onto our database within approximately one month. We will then statistically compare all the analysis results we have received and let you know how your lab performed with a report that is easy to read and understand and is available 24x7x365.

You will have access to an industry expert who will:

  • Help you to develop a customized round robin testing program
  • Answer your questions
  • Clarify your report results
  • Advise you on any necessary next steps


  • Interlaboratory proficiency testing from a world leading, ISO 17043 accredited testing provider
  • Access to an industry expert
  • Industry-leading turnaround times
  • User friendly, easily accessible reports
  • Confidentiality assured
  • Objective evidence that your lab meets ISO 17025 requirements

Why SGS?

We are the world’s leading inspection, verification and testing services, considered the global benchmark for quality and integrity, with an unrivaled global laboratory network. As a technical leader across mining disciplines, we have participated in the development of national and international standards, including ASTM standards. We provide independent, trusted services for the mining value chain across North American and internationally.

Our Customers

Our customers include:

  • Mining companies
  • Electricity generators
  • Coking plants
  • Cement manufacturers
  • Oil refineries
  • Metal processors
  • Commercial laboratories

Proficiency Testing

Learn more about our proficiency testing programs.

Download our brochure
Metallurgical and Roasting Technologies

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