Gradko
banner1b(1)

UKAS Accredited Laboratory Analysis - ISO 17025: Fast, Efficient Service

Our purpose built air pollution environmental laboratory provides accurate and efficient analysis, specialising in the determination of gaseous pollutant concentrations. Other processes can also be performed to meet the specific needs of our customers.

Our laboratory is a UKAS accredited testing laboratory (No. 2187) to ISO17025:2017, this accreditation covers a number of our analysis methods as detailed on our Schedule of Analysis. 

Our Schedule of Analysis also includes a Flexible Scope of Accreditation allowing us to validate analysis methods for new volatile organic compounds as per our customer requests.

Our laboratory analysis techniques include:

  • Thermal desorption.
  • Solvent desorption.
  • Gas chromatography – mass spectrometry (GC-MS).
  • Gas chromatography – flame ionisation detection (GC-FID).
  • Ion chromatography.
  • UV/visible spectrophotometry.


We participate in several proficiency testing schemes such as Air PT, LEAP and Field Intercomparison giving us confidence in our analysis results.

Our laboratory processes a large number of samples using our standard analytical methods. For more complex enquiries we have a knowledgeable technical advice department who match individual customers requirements with the most suitable sampling equipment.

For analysis of air monitoring equipment, the following turnaround times apply. (Subject to full functioning of equipment. Longer periods may apply during the Christmas shutdown):

  • Standard analysis – 10 working days.
  • Fast-track analysis – 5 working days, by prior arrangement.
  • Premium fast-track – 2-3 working days, by prior arrangement.


Do you have an analysis query? Contact diffusion@gradko.com

Featured Product

Washers - Pack of 10

These washers fit around the diffusion tubes allowing them to sit comfortable inside our circular clips.

Cookie Policy

This website uses cookies to ensure you get the best experience on our website