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Multi-method pesticides in green tea (P1904-RT)

Ring test P1904-RT is part of rolling proof.

rolling proof is an ongoing scheme of ring tests related to the analysis of multi-method pesticides in food.

Please feel free to book P1904-RT as a single ring test or join the rolling proof programme. If rolling proof is booked as a 5-year-package, a discount of 5 % is granted.

The module tea and spices covers

  • 25-35 pesticides in each test material.
  • all in all a minimum of 150 pesticides within a period of five years.
  • one ring test (test and blank material) per year.

The scope of pesticides of rolling proof - module tea and spices is defined here. Neither the identity nor the exact number of pesticides are announced in advance.

A spiked homogenate (powder) of green tea (min. 100 g) is provided as test material. The corresponding blank material is available upon request. 

The analytical data are assessed with respect to

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


Expected time schedule:

  • Please register before:
    15 June 2019
  • Dispatch of samples:
    02 September 2019
  • Deadline for reporting results:
    19 September 2019

The participation fee is 690 EUR. Blank material is available at a price of 70 EUR.   

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 to contact us to get an individual quote. 

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