Polar pesticides in dried fruits

Raisins, which are milled to a fine powder with liquid nitrogen are offered as test material of P2212-RT. 

The raisin powder is spiked with

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

The analytical data are assessed with respect to

  • the comparability (z-score), and
  • the trueness (70 to 120% of the spiked level).

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


chlorate, perchlorate, ethephon, phosphonic acid, glyphosate

Expected time schedule

Please register before:
15 March 2022
Dispatch of samples:
16 May 2022
Deadline for reporting results:
06 June 2022

Costs of P2212-RT

Ring test and material Amount Price per unit
Polar pesticides in dried fruits 750 €
Test material
Raisin powder, spiked with polar pesticides.
75 g included
Blank material
Raisin powder, unspiked.
75 g 70 €

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