ATR FTIR spectroscopy for in situ measurement of supersaturation

被引:105
作者
Dunuwila, DD
Berglund, KA
机构
[1] MICHIGAN STATE UNIV,DEPT CHEM ENGN,E LANSING,MI 48823
[2] MICHIGAN STATE UNIV,DEPT CHEM,E LANSING,MI 48823
关键词
D O I
10.1016/S0022-0248(97)00119-X
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The current contribution establishes the technical feasibility of Attenuated Total Reflection (ATR) Fourier transform infrared (FTIR) spectroscopy for the in situ measurement of supersaturation in crystallization processes. The approach was inspired by recent advancements in ATR spectroscopy by way of various light transfer systems for remote sensing and by the increasing availability of ATR configurations well suited for remote, in situ measurements. The feasibility of the technique was investigated using a DIPPER-210(R) immersion probe manufactured by Axiom Analytical, Inc. Initial experiments conducted using aqueous maleic acid proved that ATR FTIR spectroscopy can be successfully employed to measure supersaturation, solubility and the metastable limit, in situ, with sufficient accuracy and precision.
引用
收藏
页码:185 / 193
页数:9
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