Results 51 to 60 of about 10,190 (223)

Metodologias eletroanalíticas para a determinação de herbicidas triazínicos por voltametria de onda quadrada e técnicas de deconvolução Electroanalytical methodologies for the determination of triazine herbiacides by square wave voltammetry and deconvolution techniques

Química Nova, 2007
This work describes the development of electroanalytical methodologies for the determination of atrazine, ametrine and simazine by square wave voltammetry on a mercury electrode. For pure atrazine and pure ametrine, the detection limits (DL) were 3.7 and
Gustavo S. Garbellini, Valber A. Pedrosa, Giancarlo R. Salazar-Banda, Luis A. Avaca   +3 more
doaj   +1 more source

Simazine and Atrazine—Suppression of Denitrification

HortScience, 1984
Abstract The effectiveness of the s-triazines simazine [2-chloro-6-bis (ethylamino)-s-triazine] and atrazine [2-chloro-6-(ethylamino)-6-(isopropylamino)-s-triazine and nitrapyrin [2-chloro-6-(trichloromethyl)pyridine] in suppressing denitrification was evaluated in laboratory and greenhouse studies.
William S. McElhannon, Harry A. Mills, Parshall B. Bush   +2 more
openaire   +1 more source

Spatiotemporal Contaminant Occurrence and Risk Assessment in the Arroio Dourado River Under the Influence of Agriculture and a Deactivated Dumpsite

Water Environment Research, Volume 98, Issue 5, May 2026.
Integrated monitoring and risk assessment of an agricultural river influenced by a deactivated dumpsite. ABSTRACT This study evaluated the impacts of agricultural activities and a decommissioned landfill on the Arroio Dourado River and identified critical sampling periods and strategic monitoring locations.
Marcela Boroski, Sílvia Sônia da Silva, Lizandra Martins Soares, Kleber Gomes Ramirez, Fernanda Rubio, Jiam Pires Frigo, Luiz Henrique Garcia Pereira, Paula Fernandes de Aguiar, Carla Sirtori   +8 more
wiley   +1 more source

Synthesis of Isotopically Labeled 13C3-Simazine and Development of a Simultaneous UPLC-MS/MS Method for the Analysis of Simazine in Soil

Molecules, 2016
The isotope dilution mass spectrometry (IDMS) is a highly efficient method for tackling the ion suppression in complex matrix by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS), but a lack of commercial internal standards is
Yan Song, Yangzhen Guo, Xia Zhang, Yue Yang, Shuo Chen, Gaimei She, Dongmei She   +6 more
doaj   +1 more source

Ecotoxicity Thresholds for Ametryn, Diuron, Hexazinone and Simazine in Fresh and Marine Waters [PDF]

, 2018
Triazine and urea herbicides are two groups of photosystem II inhibiting herbicides frequently detected in surface, ground and marine waters. Yet, there are few water quality guidelines for herbicides. Ecotoxicity thresholds (ETs) for ametryn, hexazinone
A Claver, A Hildebrandt, A Wightwick, D O’Brien, DA Hobbs, EC (European Commission), HJ Klimisch, IK Konstantinou, IK Konstantinou, JL Durda, JW Green, K Schneider, KR Solomon, KV Thomas, L Guzzella, M Gfrerer, M Muschal, M Ågerstrand, Michael St. J. Warne, MSJ Warne, MSJ Warne, Olivia King, P Mercurio, R Smith, RA Dam van, RA Smith, Rachael A. Smith, SM Peterson   +27 more
core   +1 more source

Adsorption Behavior and Residue Degradation of Triazine Herbicides in Soil Amended with Rice Straw Biochar

Agriculture, 2023
The removal of or decrease in pesticide residues in soil has attracted considerable attention, due to the serious pollution of pesticides in soil. The purpose of the study was to explore the adsorption behavior of biochar on pesticides and the impact on ...
Yuchen Liu, Liming Yao, Beibei Hu, Ting Li, Hongzhe Tian   +4 more
doaj   +1 more source

Pesticide Use on Fruit and Vegetable Crops in Ohio 1990 [PDF]

, 1992
PDF pages ...
Etzkorn, David S., Waldron, Acie C., Wilhelm, Michael H.   +2 more
core  

Antagonismo na associação de glyphosate e triazinas Antagonism with glyphosate and triazine combinations

Planta Daninha, 2003
No sistema de semeadura direta, há a necessidade de realizar o controle da vegetação existente na área antes da semeadura da cultura e também de utilizar herbicidas residuais para evitar a infestação de plantas daninhas no período inicial do ...
R.A. Vidal, M. Machry, G.C. Hernandes, N.G. Fleck   +3 more
doaj   +1 more source

Electromembrane Extraction for Multiclass Pesticide Assessment in Soil Matrices: Sustainable Analytical Insights

Analysis &Sensing, Volume 6, Issue 2, March 2026.
The U‐shaped electromembrane extraction with liquid chromatography‐mass spectrometry enables rapid multiclass pesticide screening in soil. The 15 min, low‐solvent workflow achieves high recoveries and robust linearity, while AGREEprep and GAPI assessments highlight a greener profile compared to literature reports, which represents a smart strategy for ...
Rafael O. Martins, Gabriela G. Souza, Anne Varenne, Fanny d’Orlyé, Livia F. Sgobbi, Pedro V. V. Romanholo, Maria E. C. Queiroz, Bruno J. G. Silva, Virginia Damin, Andréa R. Chaves   +9 more
wiley   +1 more source

Pesticide Contamination in the Hair of Children From Colonia San Juan, a Rural Community in Paraguay

Drug Testing and Analysis, Volume 18, Issue 3, Page 354-369, March 2026.
Hair analysis in children from a rural community in Paraguay reveals exposure to organophosphates, pyrethroids, neonicotinoids, fungicides, herbicides, and endocrine disruptors, highlighting the urgent need for stricter environmental protections and preventive health measures. ABSTRACT Chronic exposure to pesticides can cause carcinogenic, reproductive,
Stela Benitez Leite, Alba Iglesias‐Gonzalez, Mirta Noemí Mesquita, María Luisa Macchi, Robin Mesnage, Brice M. R. Appenzeller   +5 more
wiley   +1 more source