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Abstract

 

This article in SSSAJ

  1. Vol. 29 No. 5, p. 545-547
     
    Received: Jan 29, 1965
    Accepted: Mar 9, 1965


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doi:10.2136/sssaj1965.03615995002900050021x

Characterization of Taranakites and Ammonium Aluminum Phosphates1

  1. A. W. Frazier and
  2. A. W. Taylor2

Abstract

Abstract

Optical, X-ray diffraction, infrared absorption, and differential thermal analysis data are presented for the salts K3Al5H6 (PO4)8·18H2O, (NH4)3Al5H6(PO4)3·18H2O, (NH4)2AlH(PO4)2·4H2O, NH4AlPO4OH·2H2O, and NH4AlPO4OH·3H2O. Where the particle size is too small for determination of optical characteristics, a combination of X-ray diffraction and infrared absorption methods is the most satisfactory means of identification of these compounds. Differential thermal analysis is unsuitable for the ammonium salts.

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