Growth and characterization of KDP crystals with potassium carbonate as additive

Dhanaraj, P.V.; Mahadevan, C.; Bhagavannarayana, G.; Ramasamy, P.; Rajesh, N.P.

doi:10.1016/j.jcrysgro.2008.09.019

Cited by 29 publications

(11 citation statements)

References 24 publications

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“…Another reason is that impurities can change the nucleation rate by affecting both the kinetic factor and interfacial energy (Sangwal, 2009;Herden et al, 2001). The findings obtained in the present study are similar to those in Dhanaraj's research, who found that adding K + ion increased the MSZW of KDP thus making the solution more stable and inhibiting spontaneous nucleation (Dhanaraj et al, 2008).…”

Section: Detection Of Mszw In Impure Water Systemsupporting

confidence: 91%

Solubility and Seeded Metastable Zone width of functional sugar L-arabinose

Hu¹,

Huang²,

Zhang³

et al. 2015

Food Sci. Technol (Campinas)

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L-arabinose is widely used in food, medicine, chemistry, and biology fields; however, solubility and seeded metastable zone width (MSZW) of L-arabinose have not been reported in the literature. In this paper, solubility and MSZW of L-arabinose in aqueous solution were determined. Solubility of L-arabinose was measured in the range of 20-68 °C by a conventional equilibrium solubility method and quantitation was determined using the ion chromatography technique. Seeded MSZW was determined in the range of 51-73% by the calorimetric method. The effect of two salts (potassium chloride and calcium chloride) on the solubility and MSZW of L-arabinose were also evaluated. Results showed that both potassium chloride and calcium chloride increased the solubility of L-arabinose, and this increase was intensified with temperature rise. The MSZW of L-arabinose was not constant but a spread. Potassium chloride increased the MSZW of L-arabinose. However, the effect of calcium chloride on MSZW of L-arabinose was concentration dependent. Conclusion: the L-arabinose solubility increased with the increase in temperature, and both potassium chloride and calcium chloride increased the solubility of L-arabinose in aqueous solution. The seeded MSZW of L-arabinose is not a constant; it increases in the presence of potassium chloride and varies with the change in calcium chloride concentration.

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Section: Detection Of Mszw In Impure Water Systemsupporting

confidence: 91%

Solubility and Seeded Metastable Zone width of functional sugar L-arabinose

Hu¹,

Huang²,

Zhang³

et al. 2015

Food Sci. Technol (Campinas)

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“…Some additives have influence on the physical property of the crystal-like growth kinetics [1][2][3] and surface morphology of crystal face [4][5][6]. The same crystal with different crystal habits has different applied values in the academic field and in the industry.…”

Section: Introductionmentioning

confidence: 99%

Influences of additives on the crystal habit of potassium chloride

Guo

Yuan

et al. 2010

Front. Chem. Eng. China

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By means of constant control speed cooling crystallization, the influences of four additives, including lead chloride, cadmium chloride, sodium salicylate, and quaternary ammonium salt, on the crystal habit of KCl were investigated. The results show that the crystal habit of KCl is cube without additives, the crystal habit of KCl is ellipsoid-like in the presence of Pb 2+ , the crystal habit of KCl is strip in the presence of Cd 2+ , and the crystal habit of KCl is cavate cube in the presence of sodium salicylate. Xray diffractometry analysis reveals that these additives can change the crystal habit of KCl but not its crystal structure.

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“…Many attempts have been made to modify its properties, either by changing the growth condition or by adding different impurities. [1][2][3][4][5][6][7] P. V. Dhanaraj et al 8 showed that the addition of K 2 CO 3 could make the KDP solution more stable than with other additives and enhanced the metastable zone width of the KDP solution for all temperatures. 8 They also found that the laser-induced damage threshold of a K 2 CO 3 -added KDP crystal was higher than that of the pure KDP crystal.…”

Section: Introductionmentioning

confidence: 99%

Growth of K2CO3-doped KDP crystal from an aqueous solution and an investigation of its physical properties

Rousta¹,

Dizaji²

2016

Mater. Tehnol.

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In this present work, KDP and 2M%-K2CO3-doped KDP crystals were grown by a slow-evaporation solution technique. The grown crystals were characterized by Fourier Transform Infrared (FT-IR) spectroscopy, X-ray diffractometry (XRD), UV-Vis spectroscopy, and laser damage threshold (LDT) analysis. The presence of the functional groups of the grown crystals was identified from the FT-IR spectra. The XRD tests showed that the grown crystals had a tetragonal structure. A comparison of the optical transmission of the grown crystals revealed that the K2CO3-doped KDP crystal had a higher transmission than the pure KDP crystal for the entire UV and visible region. Keywords: growth from solution, slow-evaporation solution technique, KDP crystal, K2CO3 additive V predstavljenem delu so KDP in z 2M % K2CO3 dopirani KDP kristali rasli s tehniko po~asnega izhlapevanja teko~ine. Dobljeni kristali so bili karakterizirani iz infrarde~o spektroskopijo s Fourierjevo transformacijo (FT-IR), z rentgensko difrakcijo (XRD), z UV-Vis spektroskopijo in s pragom po{kodbe z laserjem (LDT). Prisotnost funkcionalnih skupin kristalov v rasti je bila dolo~ena s FT-IR spektrom. XRD je pokazal, da imajo rasto~i kristali tetragonalno zgradbo. Primerjava prepustnosti svetlobe v rasto~ih kristalih je odkrila, da imajo KDP kristali, dopirani s K2CO3, bolj{o prepustnost kot pa~isti KDP v celotnem UV in v vidnem podro~ju. Klju~ne besede: rast iz raztopine, tehnika po~asnega izparevanja raztopine, KDP kristal, dodatek K2CO3

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Growth and characterization of KDP crystals with potassium carbonate as additive

Cited by 29 publications

References 24 publications

Solubility and Seeded Metastable Zone width of functional sugar L-arabinose

Solubility and Seeded Metastable Zone width of functional sugar L-arabinose

Influences of additives on the crystal habit of potassium chloride

Growth of K2CO3-doped KDP crystal from an aqueous solution and an investigation of its physical properties

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