1. Home /
  2. Chemicals /
  3. Inorganic Standards /
  4. Reference Materials

Reference Materials

Our Matrix Reference Materials are invaluable for laboratory quality control procedures and the evaluation of new methods. These are available in a matrix of soil, sludge, drinking water, ground water, waste water and paint.
Our cost-effective Performance Evaluation Standards are designed for routine performance and quality control monitoring. These standards are available for minerals, nutrients and solids in drinking, ground, surface and waste water.
These products are prepared in accordance with a laboratory quality management system that is accredited to ISO 17034 and certified through a comprehensive round robin study.

Alphabetical Alphabetical Reversed Latest Popularity
COD (CRM), high level

COD (CRM), high level

Code: QX103711
peCHECK, Minerals, Level 3

peCHECK, Minerals, Level 3

Code: QX103696
peCHECK, Nutrients, Level 2

peCHECK, Nutrients, Level 2

Code: QX103683
peCHECK, Solids, Level 1

peCHECK, Solids, Level 1

Code: QX103687
peCHECK, Nutrients, Level 3

peCHECK, Nutrients, Level 3

Code: QX103684
peCHECK, Solids, Level 3

peCHECK, Solids, Level 3

Code: QX103689
COD (CRM), low level

COD (CRM), low level

Code: QX103710
peCHECK, Minerals, Level 2

peCHECK, Minerals, Level 2

Code: QX103695
peCHECK, Minerals, Level 1

peCHECK, Minerals, Level 1

Code: QX103694