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对半水硫酸钙晶须在不同水化温度下的水化过程进行了研究.通过XRD、SEM等对晶须水化产物进行了表征,结果表明:半水硫酸钙晶须水化过程随着静置水化温度的升高而延迟,静置水化温度大于100℃时,晶须不水化.晶须长径比减小的趋势随水化温度的升高逐渐减弱.静置水化温度为80℃时,半水硫酸钙晶须的长径比在水化30 min后可保持为30左右.

参考文献

[1] 费文丽,李征芳,王珩.硫酸钙晶须的制备及应用评述[J].化工矿物与加工,2002(09):31-32,28.
[2] Sibel Titiz Sargut;sibel.sargut@marmara.edu.tr;Perviz Sayan;Bercem Kiran .Gypsum Crystallization in the Presence of Cr~(3+) and Citric Acid[J].Chemical Engineering & Technology: Industrial Chemistry -Plant Equipment -Process Engineering -Biotechnology,2010(5):804-811.
[3] Massaro, Francesco Roberto;Rubbo, Marco;Aquilano, Dino .Theoretical Equilibrium Morphology of Gypsum (CaSO_4·2H_2O). 1. A Syncretic Strategy to Calculate the Morphology of Crystals[J].Crystal growth & design,2010(7):2870-2878.
[4] 韩跃新,王宇斌,袁致涛,印万忠.半水硫酸钙晶须水化过程[J].东北大学学报(自然科学版),2008(10):1490-1493.
[5] 吴大清,刁桂仪,袁鹏,王林江.矿物表面活性及其量度[J].矿物学报,2001(03):307-311.
[6] Rashad MM;Mahmoud MHH;Ibrahim IA;Abdel-Aal EA .Effect of citric acid and 1,2-dihydroxybenzene 3,5-disulfonic acid on crystallization of calcium sulfate dihydrate under simulated conditions of phosphoric acid production[J].Crystal Research and Technology: Journal of Experimental and Industrial Crystallography,2005(8):741-747.
[7] Abdel-Aal EA;Rashad MM;El-Shall H .Crystallization of calcium sulfate dihydrate at different supersaturation ratios and different free sulfate concentrations[J].Crystal Research and Technology: Journal of Experimental and Industrial Crystallography,2004(4):313-321.
[8] 混合助晶剂促进大长径比硫酸钙晶须的调控研究[J].人工晶体学报,2012(06):1679-1685.
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