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Proficiency tests
2018
2019
2020
2021
Customised
Quality control materials
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Matrixes free of analytes
Accreditations
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Contact
Clients Access
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Discounts and promotions 2021
Dithiocarbame, CS2, Arugula, Rocket, Proficiency test
Proficiency test [TestQual 141] Pesticides in Arugula (rocket). Open applications!
2021 CATALOGUE
2021 PT CATALOGUE IS READY!
Pesticides, Spinach, proficiency test
Proficiency test [TestQual 142] Pesticides in vegetal material: Spinach leaves. Open applications!
pesticides, red, wine, proficiency, test
Proficiency test [TestQual 143] Pesticides in red wine. Open applications!
COVID
COVID-19 and TestQual 2021
physicochemical, metals, salt, table, edible, proficiency, test
Proficiency test [TestQual 144] Pesticides in Celery. Open applications!
Updates, pesticides, flour, OAT
Proficiency test [TestQual 138] Pesticide residues in oat flour. Proficiency test ongoing!
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