Effects of CO
            3
            2−
            and OH
            −
            on the solubility, metastable zone width and nucleation kinetics of borax decahydrate

Measurements of the solubility and metastable zone width (MZW) of borax decahydrate in sodium carbonate and sodium hydroxide aqueous were obtained. The onsets of nucleation were detected by the turbidity technique with the temperature range from 285 to 315 K. The results showed that the solubility of borax gradually decreased and the MZW broadened with the mass percentage of sodium carbonate increasing from 0% up to 9.22%. Correspondingly, the solubility and MZW had the same trend with the addition of sodium hydroxide. Meanwhile, the nucleation parameters of borax were determined and analysed to explain the trends obtained. Applying the classical three-dimensional nucleation theory approach, it was found that the addition of carbonate and hydroxide ions led to the values of solid–liquid interfacial energy ( γ ) increasing, which indicated the CO 3 2− and OH − ions adsorbed on the nuclei but suppressed nucleation rate.

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A Linear Regression Model for Determining the Pre-Exponential Factor and Interfacial Energy Based on the Metastable Zone Width Data

Crystals ◽

10.3390/cryst10020103 ◽

2020 ◽

Vol 10 (2) ◽

pp. 103

Author(s):

Lie-Ding Shiau

Keyword(s):

Linear Regression ◽

Regression Model ◽

Interfacial Energy ◽

Linear Regression Model ◽

Nucleation Theory ◽

Theory Approach ◽

Exponential Factor ◽

Metastable Zone Width ◽

Zone Width ◽

Metastable Zone

A linear regression model is presented in this study to determine the pre-exponential factor and interfacial energy of the crystallized substance based on classical nucleation theory using the metastable zone width data. The nucleation event is assumed corresponding to a point at which the total number density of the nuclei has reached a fixed (but unknown) value. One equation is derived for any temperature-dependent functional form of the solubility. Another equation is derived for the van’t Hoff solubility expression. The pre-exponential factor and interfacial energy obtained from these two equations are found consistent for the studied systems, including glutamic acid, glycine, and 3-nito-1,2,4-triazol-5-one. The results obtained from these two equations are also compared with those obtained from the integral method and classical 3D nucleation theory approach.

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Sugar Industry: Effect of Dextran Concentrations on the Sucrose Crystallization in Aqueous Solutions

Journal of Engineering ◽

10.1155/2019/7987369 ◽

2019 ◽

Vol 2019 ◽

pp. 1-6 ◽

Cited By ~ 1

Author(s):

Abdelali Borji ◽

Fatima-Ezzahra Borji ◽

Abdelaziz Jourani

Keyword(s):

Experimental Data ◽

Aqueous Solutions ◽

Growth Process ◽

Sugar Industry ◽

Nucleation Kinetics ◽

Metastable Zone Width ◽

Zone Width ◽

Industry Effect ◽

Instantaneous Nucleation ◽

Metastable Zone

Using the spectrophotometric method, as a new method, the influence of dextran on the sucrose solubility and metastable zone width has been studied. In agreement with the literature the experimental data show that the dextran has a negligible effect on the sucrose solubility. The results also show that this impurity decreases the sucrose metastable zone width. The study of the nucleation kinetics performed, using Nyvlt’s approach, shows that the dextran accelerates the nucleation and that the nuclei are formed in the solution by instantaneous nucleation. The presence of dextran in the system causes a decrease in the growth rate of sucrose. The growth process of sucrose is governed by a Birth and Spread mechanism. The kinetic parameters of sucrose growth in aqueous solutions without and with dextran were estimated.

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Metastable zone width and the primary nucleation kinetics for cooling crystallization of NaNO3 from NaCl-NaNO3-H2O system

Journal of Crystal Growth ◽

10.1016/j.jcrysgro.2019.04.013 ◽

2019 ◽

Vol 518 ◽

pp. 5-13 ◽

Cited By ~ 6

Author(s):

Chao Bian ◽

Hang Chen ◽

Xingfu Song ◽

Jianguo Yu

Keyword(s):

Nucleation Kinetics ◽

Metastable Zone Width ◽

Zone Width ◽

Cooling Crystallization ◽

Primary Nucleation ◽

Metastable Zone

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Determination of metastable zone width and nucleation kinetics for combined cooling and antisolvent crystallization of L-asparagine monohydrate in water-isopropanol mixture

Journal of Crystal Growth ◽

10.1016/j.jcrysgro.2018.08.031 ◽

2018 ◽

Vol 501 ◽

pp. 66-73 ◽

Cited By ~ 2

Author(s):

Maheswata Lenka ◽

Debasis Sarkar

Keyword(s):

Nucleation Kinetics ◽

Metastable Zone Width ◽

Zone Width ◽

Antisolvent Crystallization ◽

Metastable Zone ◽

Combined Cooling ◽

Asparagine Monohydrate

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Comparison of the interfacial energy and pre-exponential factor calculated from the induction time and metastable zone width data based on classical nucleation theory

Journal of Crystal Growth ◽

10.1016/j.jcrysgro.2016.06.023 ◽

2016 ◽

Vol 450 ◽

pp. 50-55 ◽

Cited By ~ 13

Author(s):

Lie-Ding Shiau

Keyword(s):

Interfacial Energy ◽

Induction Time ◽

Nucleation Theory ◽

Classical Nucleation Theory ◽

Exponential Factor ◽

Metastable Zone Width ◽

Zone Width ◽

Metastable Zone

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Insight into the role of hydrochloric acid in the thermodynamics and nucleation kinetics behavior of Arbidol hydrochloride monohydrate from Metastable Zone Widths

CrystEngComm ◽

10.1039/d1ce01426a ◽

2021 ◽

Author(s):

Ting Wen ◽

Hairong Wang ◽

Chunrong Li ◽

Jikun Xu ◽

Chuntao Zhang

Keyword(s):

Hydrochloric Acid ◽

Nucleation Kinetics ◽

Nucleation Behavior ◽

Metastable Zone Width ◽

Zone Width ◽

Metastable Zone ◽

Hydrochloride Monohydrate ◽

Insight Into

In order to investigate the nucleation behavior of arbidol hydrochloride monohydrate (AHM) in the aqueous THF (Tetrahydrofuran) solutions, metastable zone width (MSZW) was experimentally determined via the polythermal method, and...

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