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Preparation of amorphous aluminium ammonium phosphates

Published online by Cambridge University Press:  16 February 2012

Barbara Grzmil ,
Kinga Łuczka  and
Marta Gleń
Barbara Grzmil
Affiliation:
West Pomeranian University of Technology, Szczecin, Institute of Chemical and Environment Engineering, 70-322 Szczecin, Pułaskiego 10, E-mail: barbara.grzmil@zut.edu.pl
Kinga Łuczka
Affiliation:
West Pomeranian University of Technology, Szczecin, Institute of Chemical and Environment Engineering, 70-322 Szczecin, Pułaskiego 10, E-mail: barbara.grzmil@zut.edu.pl
Marta Gleń
Affiliation:
West Pomeranian University of Technology, Szczecin, Institute of Chemical and Environment Engineering, 70-322 Szczecin, Pułaskiego 10, E-mail: barbara.grzmil@zut.edu.pl
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Abstract

A method for obtaining of amorphous aluminium ammonium phosphates is developed. The statistical program STATISTICA 9 is used for planning and evaluation of the experiments. Research is carried out according to the Box-Behnken model for the following values of independent variables (input factors): pH: 6.0 ± 2; concentration of reagents: 40 ± 10 wt%, molar ratio of NH4+:PO43- in substrates (2 ± 1:1) i.e. Al3+:NH4+:PO43- (0.66:1-3:1). On the basis of this research, process parameters are determined, in which materials with the expected physicochemical properties (chemical composition, specific surface area, oil absorption number) can be obtained.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1373: Symposium S4 – Advanced Structural Materials—2011 , 2012 , imrc-1373-s4-31
Copyright
Copyright © Materials Research Society 2012

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References

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