Selective Identification of Maneb and Mancozeb via Mn

Siddihalu Lakshitha Madunil, D R M C Vijani Dissanayake, Jithya Wijesinghe

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Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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3 authors.

Siddihalu Lakshitha MadunilDepartment of Indigenous Medical Resources, Faculty of Indigenous Health Sciences and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Kandy Road, Yakkala 11870, Sri Lanka.ORCID https://orcid.org/0000-0002-8454-9556

D R M C Vijani DissanayakeDepartment of Indigenous Medical Resources, Faculty of Indigenous Health Sciences and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Kandy Road, Yakkala 11870, Sri Lanka.

Jithya WijesingheDepartment of Indigenous Medical Resources, Faculty of Indigenous Health Sciences and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Kandy Road, Yakkala 11870, Sri Lanka.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Maneb and mancozeb fungicides have very similar structures, with the main difference being the presence of an additional zinc ion in mancozeb. Specificity is the constant challenge raised in previously developed methods for identifying these compounds. Therefore, a more reliable and effective identification method was introduced, enabling the sensitive and accurate detection of structurally similar manganese-containing fungicides. In this study, 2-imidazolidinethione (ETU) was detected at a retention time of 9.22 min as the hydrolyzed product, and permanganate was formed as the oxidized product of those two fungicides, which were used to confirm the ligand and the manganese ion, respectively. Additionally, simple direct UV-visible measurements successfully identified the characteristic spectra of both maneb and mancozeb. The limit of detection (LOD) values of maneb and mancozeb were 0.007 and 0.008 ppm, respectively, and the determination coefficient (

Identifiers

PMID42040400

DOI10.1021/acsomega.5c08552

PMCPMC13103828

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.