Results 21 to 30 of about 3,356 (197)

Extração simultânea de alumínio, cálcio, magnésio, potássio e sódio do solo com solução de cloreto de amônio Simultaneous extraction of aluminum, calcium, magnesium, potassium, and sodium with ammonium chloride solution

Revista Brasileira de Ciência do Solo, 2004
Atualmente, alguns laboratórios de análise de solo determinam Al, Ca e Mg trocáveis em extratos de KCl 1 mol L-1 e K e Na na solução extratora Mehlich-1, também usada na extração de fósforo.
R. C. Boeira, B. van Raij, A. S. Silva, V. C. B. Maximiliano   +3 more
doaj   +1 more source

Fósforo em solos representativos do estado da paraíba: II- disponibilidade de fósforo para plantas de milho Phosphorus in representative soils of the state of paraíba: II- phosphorus availability for corn plants

Revista Brasileira de Ciência do Solo, 2009
Os laboratórios de fertilidade do solo do Estado da Paraíba utilizam apenas o extrator Mehlich-1 para avaliar o teor de P disponível, independente do grau de intemperismo do solo.
Daise Ribeiro de Farias, Fábio Henrique Tavares de Oliveira, Djail Santos, Jandeilson Alves de Arruda, Ricardo Bezerra Hoffmann, Roberto Ferreira Novais   +5 more
doaj   +1 more source

Método Mehlich 3 como substituinte ao HCl para extração de Cobre e Zinco em solos com alto teor de matéria orgânica do sul do Brasil Mehlich 3 method as substituent to the HCl method for extraction of Copper and Zinc in soils from Southern Brazil with high levels of organic matter

Ciência Rural, 2012
No presente trabalho, foram comparados dois métodos de extração de cobre (Cu) e zinco (Zn) em solos com teor de matéria orgânica (MO) maior que 50g kg-1.
Evandro Luiz Schoninger, Luciano Colpo Gatiboni, Daniel Linhares   +2 more
doaj   +1 more source

Size fractionation of dissolved (<0.45 µm) trace elements from extracted soil with water and CaCl2 using AF4-UV-ICPMS to predict their bioavailability

Geoderma, 2023
Dissolved (
Lina Du, Chad W. Cuss, Miles Dyck, Tommy Noernberg, William Shotyk   +4 more
doaj   +1 more source

Extraction capacity and the optimal order of extraction [PDF]

Journal of Environmental Economics and Management, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Assessment of micronutrient extractants from soils of Paraná, Brazil

Revista Brasileira de Ciência do Solo, 2011
In Brazil, plant-available micronutrients in the soil can be determined by several chemical extractants, the most common of which are dilute acid and chelating solutions. The purpose of this study was to assess the extractants 0.1 mol L-1 HCl, Mehlich-1,
Marcos Vinicius Mansano Sarto, Fábio Steiner, Maria do Carmo Lana   +2 more
doaj   +1 more source

Irys Extract [PDF]

Bioinformatics, 2017
Abstract Summary Irys Extract is a software tool for generating genomic information from data collected by the BioNano Genomics Irys platform. The tool allows the user easy access to the raw data in the form of cropped images and genetically aligned intensity profiles.
Rani Arielly, Yuval Ebenstein
openaire   +2 more sources

Function extraction

Science of Computer Programming, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Magnus O. Myreen, Michael J. C. Gordon
openaire   +2 more sources

Azocalixarene. 5: p-Substituted Azocalix4arenes as Extractants for Dichromate Anions [PDF]

Pakistan Journal of Analytical & Environmental Chemistry, 2008
In this article, chromium(VI) extraction properties of two azocalix4arene based receptors (L4 and L6) are reported. A preliminary evaluation of the binding efficiencies of p-substituted azocalix4arene derivatives L4 and L6 was carried out by solvent ...
Hasalettin Deligöz, Mine Sulak Ak, Shahabuddin Memon, Mustafa Yilmaz   +3 more
doaj  

Chelating Extractants for Metals

Metals, 2022
In the present review, works on the classes of chelating extractants for metals, compounds with several amide and carboxyl groups, azomethines, oximes, macrocyclic compounds (crown ethers and calixarenes), phenanthroline derivatives, and others are ...
Pavel Yudaev, Evgeniy Chistyakov
doaj   +1 more source