Search Results - "Parkinson, G. M."
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Investigation of growth rate dispersion in lactose crystallisation by AFM
Published in Journal of crystal growth (15-09-2014)“…α-Lactose monohydrate crystals have been reported to exhibit growth rate dispersion (GRD). Variation in surface dislocations has been suggested as the cause of…”
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2
Defining the Paragoethite process for iron removal in zinc hydrometallurgy
Published in Hydrometallurgy (01-02-2006)“…The previously ambiguous Paragoethite process and residue are defined, and the importance of a fundamental understanding of iron-phase precipitation in…”
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3
In situ investigation of growth rates and growth rate dispersion of α-lactose monohydrate crystals
Published in Journal of crystal growth (15-02-2009)“…The growth rates and growth rate dispersion (GRD) of four different faces of α-lactose monohydrate crystal were measured at 30, 40 and 50 °C in the relative…”
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4
Growth modification of hematite by phosphonate additives
Published in Journal of crystal growth (01-02-2008)“…The hydroxylated surface structures of seven morphologically important crystallographic surfaces of hematite were calculated—allowing the determination of the…”
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The effect of calcium cations on the precipitation of barium sulfate 2: calcium ions in the presence of organic additives
Published in Journal of crystal growth (01-10-2004)“…Calcium ions have been implicated in changing the precipitation of barium sulfate when organic additives are present, although whether it inhibits or promotes…”
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The effect of calcium ions on the precipitation of barium sulphate 1: calcium ions in the absence of organic additives
Published in Journal of crystal growth (15-02-2004)“…The effect of calcium cations on the precipitation of barium sulphate is comprehensively studied using several techniques for the first time. The dominant…”
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7
Crystallisation of α-lactose monohydrate from dimethyl sulfoxide (DMSO) solutions: influence of β-lactose
Published in Journal of crystal growth (1999)“…In this study, the dimethyl sulfoxide (DMSO)–lactose system has been used to study the effect of β-lactose on the morphology of α-lactose monohydrate crystals…”
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8
Identifying nanoscale ferrihydrite in Hydrometallurgical residues
Published in JOM (1989) (01-12-2002)“…Figure 3 shows the XRD spectrum of a sample of synthetic 6-line ferrihydrite5 spiked with various levels of quartz. The figure demonstrates how the…”
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Crystal growth mechanisms of the (0 1 0) face of α-lactose monohydrate crystals
Published in Journal of crystal growth (01-04-2009)“…The growth rates of the (0 1 0) face of α-lactose monohydrate crystals were measured at 30, 40 and 50 °C in the relative supersaturation range 0.55–2.33 in…”
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10
Incorporation of impurity anions into DSP: insights into structure and stability from computer modelling
Published in Molecular simulation (01-01-2006)“…DSP is an important by-product of alumina production via the Bayer process. Under Western Australian processing conditions, the DSP has a sodalite-type…”
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High resolution, in-situ controlled atmosphere transmission electron microscopy (CATEM) of heterogeneous catalysts
Published in Catalysis letters (1989)Get full text
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12
Atomic force microscopy of gibbsite
Published in Applied surface science (01-09-1998)“…Atomic force microscopy has been used to image the surface structure of a range of gibbsite (Al(OH)3) crystals. A variety of microtopographies has been imaged…”
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13
Arsenic Removal from Aqueous Solution via Ferrihydrite Crystallization Control
Published in Environmental science & technology (15-04-2004)“…Removal of arsenate anion from aqueous solution by coprecipitation with ferrihydrite has been studied under conditions in which the Fe/As ratio is maintained…”
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14
High incidence of language disorder in children with focal epilepsies
Published in Developmental medicine and child neurology (01-08-2002)“…To investigate the relationship between the presence of language disorder, type of epilepsy, and epileptic seizures in childhood, language levels, types of…”
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15
Surface morphology and crystal growth mechanism of gibbsite in industrial Bayer liquors
Published in Hydrometallurgy (01-08-2005)“…Atomic force and scanning electron microscopy have been used to study the surface topography and crystal growth mechanism of gibbsite crystals in industrial…”
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16
Investigation into the effect of phosphonate inhibitors on barium sulfate precipitation
Published in Journal of crystal growth (01-04-2002)“…The effect of a series of phosphonate molecules on barium sulfate precipitation was tested. While an increase in the number of phosphonate groups generally…”
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17
Investigation of the unseeded nucleation of gibbsite, Al(OH) 3, from synthetic bayer liquors
Published in Journal of crystal growth (15-07-1998)“…This paper presents the novel application of multi-angle laser light scattering (MALLS) together with transmission electron microscopy (TEM), powder X-ray…”
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18
The role of phosphonate speciation on the inhibition of barium sulfate precipitation
Published in Journal of crystal growth (01-03-2003)“…The inhibition of barium sulfate precipitation in the presence of phosphonate containing molecules was investigated experimentally and speciation curves were…”
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19
Predicting Guest Orientations in Layered Double Hydroxide Intercalates
Published in Chemistry of materials (17-05-1999)“…Molecular mechanics have been used to rationalize the structures of the layered double hydroxide intercalates [LiAl2(OH)6]Cl, [LiAl2(OH)6]Br, and…”
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Zinc sulfide as a solid phase additive for improving the processing characteristics of ferrihydrite residues
Published in Hydrometallurgy (01-08-2005)“…The effect of ZnS powders as additives for improving the physical and chemical properties of ferrihydrite residues has been studied in both kinetic and batch…”
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