Additives used in colloidal solutions to aggregate particles and promote precipitation. Examples include electrolytes such as inorganic salts and polymer flocculants. A well-known example is aluminum sulfate, which is used in the water purification process. Source: About Shogakukan Digital Daijisen Information | Legend |
コロイド溶液で粒子を凝集させ、沈殿を促すための添加物。無機塩類などの電解質や高分子凝集剤がある。水道水の浄水工程で利用される硫酸アルミニウムなどが知られる。
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