Deeltjesstabiliteit

Deeltjesstabiliteit refers to the property of a particulate system where the individual particles resist aggregation or dispersion changes over time. This is crucial in many industrial and scientific applications, ranging from pharmaceuticals and food products to paints and ceramics. A stable particulate system maintains a consistent particle size distribution and prevents unwanted settling, flocculation, or agglomeration.

Factors influencing deeltjesstabiliteit include surface chemistry, particle size and shape, the surrounding medium's properties (like viscosity and pH), and the presence of stabilizing agents. Stabilizers can function through various mechanisms, such as steric hindrance, electrostatic repulsion, or viscosity modification. For instance, adding charged polymers to a suspension can create repulsive forces between particles, preventing them from coming close enough to aggregate.

Assessing deeltjesstabiliteit often involves techniques like dynamic light scattering to measure particle size, zeta potential measurements to quantify surface charge, and visual observation or rheological measurements to detect sedimentation or changes in viscosity over time. Understanding and controlling deeltjesstabiliteit is essential for ensuring product shelf-life, uniform performance, and predictable behavior in various formulations.