Polar pesticides in quinoa

P2318-RT covers the most relevant polar pesticides, which are found in quinoa.
Whole, non-milled quinoa seeds are offered as test material.

The aim of the ring test is

  • the correct quantification with respect to the
    comparability criterion (z-score ≤ |2|),
  • the correct quantification with respect to the
    trueness criterion (70-120 % recovery of the spiked level).

Reporting limits of 0.01 mg/kg are required for all parameters. 


Test material

chlorate, perchlorate, phosphonic acid, glyphosate, trimesium

Additional module

chlormequat chloride, mepiquat chloride

Additional module


Expected time schedule

Please register before:
01 March 2023
Dispatch of samples:
08 May 2023
Deadline for reporting results:
31 May 2023

Costs of P2318-RT

Ring test and material Amount Price per unit
Polar pesticides in quinoa 780 €
Test material
Non-milled quinoa, spiked.
100 g included
Additional module
Chlormequat, mepiquat.
200 €
Additional module
150 €
Blank material
Non-milled quinoa, unspiked.
100 g 70 €

Note: PROOF-ACS reserves the right to cancel tests in case of less than ten participants.