Pesticides incl. polar pesticides in sweet potato

P2619-RT covers the most relevant pesticides for the matrix sweet potato.

The participants are free to choose between the modules

module 1: pesticides, covered by common pesticide multi-residue methods. A selection of the pesticides mentioned below are spiked.
module 2: chlorate, perchlorate, ethephon, glyphosate, phosphonic acid.
module 3: chlormequat, mepiquat.
module 4: cyromazine, maleic hydrazide.

Homogenates of sweet potato, spiked and unspiked, are provided as test material and blank material.

The analytical data are assessed with respect to

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

Parameters

Module 1

alachlor, azoxystrobin, carbendazim, chlorothalonil, chlorpropham, chlorpyrifos, clethodim, cyhalothrin-lambda, difenoconazole, flonicamid, fluazifop, fludioxonil, imidacloprid, malathion, S-metolachlor, metribuzin, omethoate, o-phenylphenol, piperonylbutoxide, pyrethrum, spinosad, thiabendazole

Module 2

chlorate, perchlorate, ethephon, glyphosate, phosphonic acid

Module 3

chlormequat chloride, mepiquat chloride

Module 4

cyromazine, maleic hydrazide

Expected time schedule

Please register before:
15 June 2026

Dispatch of samples:
05 October 2026

Deadline for reporting results:
20 October 2026

Costs of P2619-RT

Ring test and material	Amount	Price per unit
Pesticides incl. polar pesticides in sweet potato	–	350 €
Test material Sweet potato, homogenised, spiked.	150 g	included
Module 1 Multi-method pesticides.		400 €
Module 2 chlorate, perchlorate, ethephon, glyphosate, phosphonic acid.		300 €
Module 3 chlormequat, mepiquat.		200 €
Module 4 cyromazine, maleic hydrazide.		200 €
Blank material Sweet potato, homogenised, unspiked.	150 g	70 €

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