text.skipToContent text.skipToNavigation
Bulk Order
If not, click 'cancel'. You can also save this item for later.
If not, click 'cancel'. You can also save this item for later.

Environmental and contaminant reference materials

Unrivalled breadth of choice from one global source

Do you need to test for organic and inorganic contaminants in the environment? We provide you with an exceptionally wide range of certified reference materials and matrix materials to match your quality and testing needs from top suppliers such as CIL and ULTRA. Our flagship Dr. Ehrenstorfer range presently offers over 8500 reference standards so that you can source the majority of your reference standards for residue analysis from us.


We manufacture Dr. Ehrenstorfer products to the highest quality standards in our Augsburg facility in Germany, which maintains ISO Guide 34 and ISO/IEC 17025 accreditation.


We keep many of our reference materials in stock (neat, in solution and mixtures) to respond rapidly to your requirements.


You can depend on us to find the reference or matrix materials you need, thanks to our extensive range of matrix materials and isotopically labelled organic compounds.

Use our advanced search tool at the top of the page to search by name, product or CAS number to find your reference or matrix material for:

  • Pesticides
  • Flame retardants
  • Pharmaceutical and personal care products
  • Steroids  and hormones
  • Industrial additives
  • Surfactants
  • Other pollutants
  • Soils, sand and sediments
  • Potable and non potable waters
  • Plant matter
  • Industrial waste products





Refine your


Online Ordering made easy


Sign up to our email newsletter



Punchout session timeout warning

Your punchout session will expire in1 min59 sec.

Select "Continue session" to extend your session.