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Tropane alkaloids and glyphosate in sorghum (P1712-RT)

PROOF-ACS offers a ring test related to tropane alkaloids and glyphosate in sorghum.

A sample of sorghum (non-homogenised, 100 g) is provided as test material.

The test material is spiked with

  • hyoscyamine,
  • scopolamine, and
  • glyphosate.

The analytical data are assessed with respect to

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

Time schedule:

  • Please register before:
    May 1, 2017
  • Dispatch of samples:
    July 10, 2017
  • Deadline for reporting results:
    July 25, 2017


The participation fee is 790 EUR. Blank material (100 g of untreated sorghum) is available at a price of 70 EUR upon request.

 All prices are valid plus the applicable VAT, as far as required by law. 

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.