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Quantification of Ammonium Sulphate Nitrate (ASN) fertilizers

AuthorsMontejo-Bernardo, J. M. ; García-Granda, Santiago ; Fernández-González, Alfonso
KeywordsASN fertilizers
X-ray powder diffraction
Issue Date2011
PublisherOldenbourg Wissenschaftsverlag
CitationZeitschrift für Kristallographie Supplements 1: 437-442 (2011)
AbstractThis paper shows a simple procedure for the quantification of industrial and labo-ratory samples of Ammonium Sulphate-Nitrate fertilizers (ASN) based on a Rietveld fit from X-ray powder diffraction profiles. The Rietveld fit is performed by means of the structural models of the double salts 2NH4NO3·(NH4)2SO4 and 3NH4NO3·(NH4)2SO4, previously re-ported by the authors. The proposed method demonstrated to be highly accurate even when medium-low quality X-ray Powder Diffraction profiles are used. The result of the composi-tion of H, N and S in the samples is very similar to those obtained by elemental analysis.
Description6 páginas, 4 figuras, 1 tabla.
Publisher version (URL)http://dx.doi.org/10.1524/zkpr.2011.0066
Appears in Collections:(CINN) Artículos
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