The film "The Colloidal State" explores the concept of colloids, which are materials in a dispersion where small particles of one substance are distributed throughout another. It distinguishes ...

Particles are of a colloidal size if their size falls in the range of 1 to 1000nm. A colloid is system whereby colloidal particles are suspended in a continuous medium. They are stable and do not ...

Occasionally referred to as ‘colloidal gold,’ gold colloid is a suspension comprising sub-micron gold nanoparticles suspended in a solvent - most commonly water. Gold nanoparticles' distinct ...

Migration of particles in solutions occurs most commonly under the application of external forces, such as in sedimentation or centrifugation. In many situations however, more subtle transport ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...