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P1707-RT Highly polar pesticides

The ring test is designed to cover a broad range of highly polar pesticides.

A homogenate of broccoli (100 g) is provided as test material. 

The homogenate is spiked with

  • bromide,
  • chlorate,
  • ethephon,
  • perchlorate, and
  • phosphonic acid.

The aim is

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


Time schedule:

  • Please register before:
    March 1, 2017
  • Dispatch of samples:
    May 22, 2017
  • Deadline for reporting results:
    June 9, 2017


The participation fee is
   650 EUR
     70 EUR (optional) for the blank material

The test material is shipped by express courier. Shipping costs are included for shipment to EU countries. Additional shipping costs may apply for shipment to Non-EU countries. 

Please feel free place your orders via the Order/login section on the website.

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