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Use of psychedelic substances in Europe, and purity, prices and adulteration in the Netherlands

oral presentation

This presentation will cover essential aspects to understand the drug checking system in the Netherlands (DIMS), after which data and trends regarding purity, prices and adulterations of a number of psychedelics in the Netherlands will be presented: LSD, ketamine, 2C-B. For LSD and 2C-B, purity, price and adulterations of samples bought offline will be compared to those bought online.

The presentation finishes off with available data regarding use of psychedelics in Europe (EMCDDA) and from recent surveys in the Netherlands.



September 6th 2019


11:30 - 12:00


Room: Bernahrd von Langenbeck
Daan van der Gouwe

Daan van der Gouwe

Trimbos-Institute, Utrecht Area, Netherlands more about the speaker

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Conference tickets

With your ticket you will have access to the whole conference - with keynotes, panels, round tables, posters and daylight social events. We will ask for a small extra fee for the Friday evening social program. The pre-conference workshops have to be booked separately and each workshop needs an individual ticket. By clicking on "Book now" below you also have the option to buy your workshop tickets.

*Reduced fees apply to students, cooperation partners as well as unemployed and retired individuals who have a monthly net income below 840,- €. Proof of status will be required.

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Catering service


With this ticket you can use the catering service all inclusive for three days. The service includes coffee, water, tea and fruit.


after 14 April 2019

  • Standard €250
  • Reduced €150*
  • MIND members Standard €180
  • MIND members Reduced €90



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