The laboratory Tentamus Agriparadigma has developed and validated a method for the determination of residues of glyphosate, its metabolite AMPA and gluphosinate in water in accordance with ISO 17025.

The method has been used for the analysis of groundwater samples collected within a European monitoring project.

What is glyphosate?

Glyphosate is the most widely used and well-known herbicide and for this reason it is often in the focus of public attention, and articles and investigations on glyphosate are always widely echoed in the media. It is very soluble in water and remains in the form of glyphosate and its main metabolite AMPA.

The maximum allowed concentration of residues is set to 0.1 μg/l in water, but several studies have found that this limit has been exceeded in many countries in Europe including Italy, Spain, Germany, Sweden, The Netherlands and France.

Agriparadigma developed new method for glyphosate, AMPA and gluphosinate in water

As the legislation requires a particularly strict performance of the method, Agriparadigma decided to develop its own method for the determination of glyphosate, AMPA and gluphosinate in water.

The method is based on ISO 16308:2014, which deviates for greater simplicity, achieved through the use of the most sensitive instrumentation currently available. In practice, the laboratory took advantage of the better performance of the supplied instruments to shift some of the analytical complexity from the preparation phase to the measurement phase.

The method is applicable to the analysis of groundwater, surface water and drinking water with a very low pesticide content. It has been validated on fresh water at concentrations of 0.05μg/l and 0.5μg/l. At these concentrations, all analytes reported very good precision and accuracy, lower than the 25% required by the legislation. The minimum detectable quantity has been estimated at 0.016μg/l calculated as 1/3 of the lowest validated concentration, the maximum concentration that can be analyzed without dilution is 2 μg/l.

The laboratory of Tentamus Agriparadigma tested the method through participation in international interlaboratory proficiency tests and was accredited in accordance with ISO 17025 by Accredia in January 2021.

Thanks to the know-how acquired, the laboratory became a technical partner of the University of the Sacro Cuore di Piacenza in relation to an extensive Community environmental monitoring program.

The study is in the process of being published, but preliminary results seem to show an unforeseen correlation between the levels of contamination in well water and the use of the product in agriculture.

About Tentamus Agriparadigma

Tentamus Agriparadigma is a private laboratory established in 1987 and active in Italy with three operational offices in Ravenna, Signa (close to Firenze) and Syracuse.

It mainly deals with chemical and biological analysis of food and water with a particular specialization in the analysis of pesticide residues.

Über die Tentamus Group GmbH

Tentamus Group GmbH was founded in 2011. Tentamus is a global product and safety group with a core presence in Europe, UK, Israel, China, Japan, India and the USA. Accredited and licensed Tentamus Group tests, audits and consults on all products involving the human body (food & feed, pharmaceuticals & medical, agrosciences, cosmetics, agriculture & environment and nutraceutical & supplements). Tentamus Group is represented in over 80 locations worldwide. More than 3,000 highly-trained staff members work in over 3 million square feet of laboratory and office spaces. For further information please visit www.tentamus.com.

[url=http://www.tentamus.com]www.tentamus.com[/url]

Firmenkontakt und Herausgeber der Meldung:

Tentamus Group GmbH
An der Industriebahn 26
13088 Berlin
Telefon: +49 (30) 206038-230
Telefax: +49 (30) 206038-190
https://www.tentamus.com

Ansprechpartner:
Gian Piero Luciani
Technical Manager
Telefon: +39 (0) 392 962 50 50
E-Mail: gianpiero.luciani@agriparadigma.it
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