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VNUHCM Journal of

Science and Technology Development

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 1997

ISSN: 1859-0128
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Engineering and Technology - Research article Open Access Logo

Synthesis of zinc hydroxide nitrate complex by a sol-gel method for use as foliar fertilizers – a scale up approach

Chau Tu Le 1, *
Thang Manh Ngo 1

  1. Faculty of Chemical Engineering, Ho Chi Minh city University of Technology, VNU-HCM
Correspondence to: Chau Tu Le, Faculty of Chemical Engineering, Ho Chi Minh city University of Technology, VNU-HCM. Email: pvphuc@vnuhcm.edu.vn.
Volume & Issue: Vol. 19 No. 3 (2016) | Page No.: 138-145 | DOI: 10.32508/stdj.v19i3.587
Published: 2016-09-30

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Copyright © 2016 by the author(s).

Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

Zinc hydroxide nitrate complex is a new class of materials with outstanding characteristics promising its application as foliar nano-fertilizers. In this study, nano crystalline zinc hydroxide nitrate powder was synthesized by a sol – gel method using NaOH and Zn(NO3)2.6 H2O as precursors, yielding several grams products per batch. The products were characterized by XRD, FTIR, SEM and BET, indicating the initial molar ratio NaOH : Zn(NO3)2.6H2O = 1.6 and reaction time 1 hour as suitable. Under the indicated conditions, the particle size of products is in the range 50÷100 nm. The characteristics of products demonstrate their potential application as foliar nano-fertilizer and the synthesis procedure might be further upgrading to production extents.

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