Using Silica Gel Beads to Dispense Indicators and Reagents

Akiko Furuhashi , Kunihiko Endo and Akira Yamasaki
Department of Chemistry, Aoyama Gakuin University, 1-1, Morinosato-Aoyama, Atsugi, Kanagawa, 243-01 Japan
J. Chem. Educ., 1995, 72 (9), p 832
DOI: 10.1021/ed072p832
Publication Date: September 1995

Abstract

Silica gel beads which have adsorbed certain chemical reagents such as acid-base indicators, detecting reagents, color-producing metal ions, and organic dyestuffs can be used in classrooms and field studies either as teaching aids or for students' laboratory work. These beads are light and unbreakable and can be easily carried to any place or used simply on the spot without spillage.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Analytical Chemistry

Keywords (Feature):

Filtrates and Residues

Keywords (Subject):

Surface Science
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  • Received: August 03, 2009

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