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Laboratory analysis

01

Global laboratory network

A unique laboratory network

Reliable and efficient analytical support

The Alex Stewart International laboratories have a unique characteristic: a recognised and trusted global network in which qualified employees and experienced chemists work with state-of-the-art analytical equipment to provide the most accurate and rapid results across a wide range of industrial sectors.

The strategically located Alex Stewart laboratories offer the complete range of testing and analysis for base metals, precious metals including jewellery, ores and concentrates, ferro-alloys, recycled metal waste, complex metallurgical materials, coal, geochemical mining and exploration services. Through Alex Stewart Agriculture, we are also able to provide a complete range of analytical services for agricultural goods and products.

What we deliver

  • Cost-effective analytical services
  • Rapid turnaround without compromising quality
  • Accurate and dependable results
  • Support for more than 70 elements in the Periodic Table
  • Professional client care and technical support
02

Analytical equipment

Analytical instruments

  • ICP emission spectrometers: multi-element analysis at ppm level for highly accurate results
  • Atomic absorption spectrometry (AA): determines low levels of elements in all metallurgical materials
  • Carbon-sulphur analyser
  • X-ray fluorescence spectrometer: determines major and trace elements
  • High-precision titrators: rapid and accurate determination of elements including silver, chlorine, fluorine and ferro-alloys
  • GC-MS
  • HPLC
03

Service standards

Services included

  • Confirmation of the date when samples are received
  • Advice on the date when final and certified results can be expected
  • Provision of accurate and rapid results
  • Provision of status reports and updates on provisional results
  • Issuing certificates in electronic format and printed reports
  • Carrying out additional tests if and when required
  • Technical consultation and interpretation of results
  • Professional and friendly customer service
  • Execution of work for all clients in complete confidentiality