Control preparation of zinc hydroxide nitrate nanocrystals and examination of the chemical and structural stability

Li, Peng, Xu, Zhi Ping, Hampton, Marc A., Vu, Dang T., Huang, Longbin, Rudolph, Victor and Nguyen, Anh V. (2012) Control preparation of zinc hydroxide nitrate nanocrystals and examination of the chemical and structural stability. Journal of Physical Chemistry C: Nanomaterials, Interfaces and Hard Matter, 116 18: 10325-10332. doi:10.1021/jp300045u


Author Li, Peng
Xu, Zhi Ping
Hampton, Marc A.
Vu, Dang T.
Huang, Longbin
Rudolph, Victor
Nguyen, Anh V.
Title Control preparation of zinc hydroxide nitrate nanocrystals and examination of the chemical and structural stability
Journal name Journal of Physical Chemistry C: Nanomaterials, Interfaces and Hard Matter   Check publisher's open access policy
ISSN 1932-7447
1932-7455
Publication date 2012-05
Sub-type Article (original research)
DOI 10.1021/jp300045u
Volume 116
Issue 18
Start page 10325
End page 10332
Total pages 8
Place of publication Washington, DC, United Kingdom
Publisher American Chemical Society
Collection year 2013
Language eng
Formatted abstract
We have investigated the control preparation and aqueous stability of a potential suspension fertilizer: zinc hydroxide nitrate. We have observed that this compound can be synthesized by quick precipitation of zinc nitrate in sodium hydroxide solution under various conditions, whereas it can also be readily transformed to more stable Zn(OH)2 or ZnO at pH >6.5 and aged at 50 °C. The transformation from zinc hydroxide nitrate to Zn(OH)2 and ZnO has been examined with XRD/FTIR/SEM techniques and discussed in detail, presumably involving the formation and dissociation of the intermediate solution species [Zn(OH)4]2–/[Zn(OH)3]−. We have also found that as-prepared zinc hydroxide nitrate crystals are very stable when they are isolated and then dispersed in aqueous solution with pH 5–9 while slightly dissolved to give zinc ion concentration of 30–50 mg/L. Such aqueous stability and solubility have thus suggested that this compound can be used as a long-term zinc foliar fertilizer of various crops.
Keyword Layered double hydroxide
Aqueous-solutions
Anionic clays
Zno
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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