Testing site Nitrosamine analysis

The testing site „Nitrosamine Analytics„ (NA) is competent under the terms of DIN EN ISO/IEC 17025 to perform the ‎analysis of material and air samples for contamination with nitrosamines.‎

The focus of the testing site “Nitrosamine analysis“ (NA) is the analysis of material samples such as articles of daily use, vulcanisates, compounds or building materials and air samples for their contamination with nitrosamines. Nitrosamines are formed in the production of rubber articles mainly during vulcanization by reaction of secondary amines which are released from vulcanization accelerators with nitrosating agents. These nitrosating agents can be contained in the rubber compound itself or they can be incorporated from the atmosphere. A portion of the formed nitrosamines can be emitted to the working environment during vulcanization or during the storage of the manufactured articles and thus lead to a contamination of the ambient air and potentially also of the building stock. The nitrosation of emitted amines from vulcanisates with ubiquitary nitrogen oxides contribute to the contamination of air with nitrosamines, too. Ca. 90% of all nitrosamines are classified as carcinogenic according to the Ordinance on Hazardous Substances and TRGS 552 so that the monitoring, prevention and reduction of the exposition of employees and consumers is necessary and compulsory according to applicable directives.

We offer the following tests:

Hazardous substance testing of elastomers and material samples:

  • Extraction with methanol followed by GC-TEA analysis of the extracts for high and low volatile N-nitrosamines according to in-house method ‎
  • Determination of N-nitrosamines and nitrosatable compounds after migration in saliva test solution according to DIN EN 12868 and DIN EN 29941‎
  • Determination of N-nitrosamines and nitrosatable compounds after migration in toys and toy parts made of ‎elastomers according to DIN EN 71-12 (in planning stage)‎
  • Determination of the N-nitrosamine emissions  from elastomer products and other matrices in the chamber ‎test e.g. according to PAPP PWT 7517‎

Testing of air samples:

  • GC-TEA analysis of Thermosorb tubes for high-volatile N-nitrosamines according to DGUV I 213-523 method 5 – GC 2019 / IFA 8172 Lfg. 1/2018 / in-house method

Further information

Please find Information relating to the DIK quality management and accreditation here.

Head of testing

Dr. Tatjana Krups

Phone: +49 511 84201-30


Deputy head of testing

M. Sc. Sabrina Werner

Phone: +49 511 84201-30