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Analysis of Wet-Process Phosphoric Acid and By-Product Filter Cake by X-ray Spectrometry
Published online by Cambridge University Press: 06 March 2019
Abstract
Rapid X-ray fluorescence (XRF) analytical methods have been developed for analyzing wet-process phosphoric acid liquid samples and by-product calcium sulfate filter-cake solids. Liquid acid samples are neutralized by lithium carbonate and pressed-pellet, dry sample wafers are prepared for a nine-element analysis. Filter-cake solids are dehydrated to anhydrous calcium sulfate for a ten-element analysis. Hovel sample preparation techniques are described which permit maximum use of the automated XRF system for process control. Precision obtained for typical materials is compared with results of conventional chemical analyses.
- Type
- VI. XRF Applications: Mineralogical, General
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- Copyright © International Centre for Diffraction Data 1984