光散乱測定の高精度化のための角度スキャンと関連する装置特性に関する検討

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タイトル別名
  • Investigation on the angle scanning and the related instrumental properties for the high precision light scattering measurements.
  • ヒカリ サンラン ソクテイ ノ コウ セイドカ ノ タメ ノ カクド スキャン

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抄録

In order to contribute to the fundamental methodology on the accuracy and the reliability of light scattering measurements, a typical light scattering photometer (FICA type) was evaluated in detail, from the viewpoint of the angle scanning and the related properties. It was shown that, in immersion type light scattering photometers, optical alignment could be achieved with high accuracy by rather simple operation, so that the variation of cell constant is negligible between different observation angles, and that stray light is not so significant even at low and high angles. The principal cause of stray light is the difference of refractive index at the cell-solution interface, and it can be suppressed by appropriate selection of solvent or cell material. Although angular preciion around 0 deg is better than ± 0.007 deg, special care is necessary in the measurement of transmitted primary beam.

収録刊行物

  • 分析化学

    分析化学 42 (4), T49-T55, 1993

    公益社団法人 日本分析化学会

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