Diffusion coefficients by NMR-spin echo methods for the systems water-ammonium chloride, water-succinonitrile, and acetone-succinonitrile

Jerry L. Lutz; G. David Mendenhall

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Diffusion coefficients by NMR-spin echo methods for the systems water-ammonium chloride, water-succinonitrile, and acetone-succinonitrile

机译：NMR自旋回波方法对水-氯化铵，水-丁二腈和丙酮-丁二腈体系的扩散系数

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Diffusion coefficients for the ammonium ion were obtained at 15-45℃ by nuclear magnetic resonance (~(15)N-NMR) spin-echo techniques in 72 and 86 wt% aqueous ammonium chloride 98% enriched with ~(15)N. Diffusion coefficients for succinonitrile and water in a 9.4 wt% aqueous mixture (25-45℃) and for succinonitrile and acetone (35-55℃) in a mixture with 8.8 wt% acetone were obtained similarly with ~1H-NMR. The coefficients were compared with those from earlier studies of these systems, which are models for the solidification of metals.

机译：通过核磁共振（〜（15）N-NMR）自旋回波技术，在72-86％（重量）98％〜（15）N的氯化铵水溶液中，通过15-45℃的铵离子扩散系数。相似地，通过〜1H-NMR，获得了9.4重量％的水性混合物（25-45℃）中的丁二腈和水的扩散系数，以及8.8重量％的丙酮的混合物中丁二腈和丙酮（35-55℃）的扩散系数。将该系数与这些系统的早期研究中的系数进行比较，后者是金属凝固的模型。

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来源
《Journal of Crystal Growth》 |2000年第2期|p.183-188|共6页
作者
Jerry L. Lutz; G. David Mendenhall;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类晶体学;
关键词
ammonium chloride; succinonitrile; water; diffusion coefficient; spin-echo; NMR;

机译：氯化铵;丁二腈;水;扩散系数;自旋回波;NMR;

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Diffusion coefficients by NMR-spin echo methods for the systems water-ammonium chloride, water-succinonitrile, and acetone-succinonitrile

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