Our experienced team is always available to assist you with your global inspection and analysis requirements.

This field is for validation purposes and should be left unchanged.

Chemical Analysis

Assay Services

Alfred H Knight have provided assay services for over 140 years. Through our global network we offer a range of instrumental and classical techniques providing fast and accurate assay services for:

  • Party/umpire analysis
  • Outsourcing analysis
  • QA/QC analytical testing


  • CIC (combustion ion chromatography)
  • ICP-OES (inductively coupled plasma optical emission spectroscopy)
  • ICP-MS (inductively coupled plasma mass spectrometry)
  • Spark OES (optical emission spectroscopy)
  • FAAS (flame atomic absorption spectroscopy)
  • WDXRF (wavelength-dispersive X-ray fluorescence spectrometry)
  • EDXRF (energy dispersive X-ray fluorescence spectrometry)
  • Various automated titration systems
  • Modern Fire Assay Systems. One of the most important components of our laboratories is our modern fire assay facilities, incorporating automated mixing and multi-pour technology, which is used to analyse precious metals in a variety of commodities.

Find out more

Contact us for more information or a quotation for our assay services