The little particles that you observe floating around in water when ice melts are often referred to as "floaties" or "floaters." These particles can have various origins and can be a combination of different substances. Here are a few common explanations for the presence of particles in melted ice water:
Air bubbles: When water freezes, it tends to trap tiny air bubbles within the ice. As the ice melts, these trapped air bubbles are released, forming small air pockets or bubbles in the water. These bubbles can appear as particles or small specks suspended in the liquid.
Impurities: Water, especially tap water, can contain dissolved minerals, sediments, and other impurities. When ice forms from such water, these impurities may get trapped within the ice structure. As the ice melts, the impurities are released into the liquid, leading to the presence of particles in the water.
Dust and debris: Ice stored or exposed to the environment may accumulate dust, dirt, or other debris on its surface. When this ice melts, the particles adhering to the ice are released into the water, causing the floaties.
Biological matter: If the ice is sourced from natural bodies of water or has been exposed to the outdoors, it might contain biological matter such as algae, microorganisms, or plant material. When the ice melts, these particles become suspended in the water.
It's important to note that the presence of floaties in melted ice water is generally harmless. However, if you're concerned about the quality or safety of the water, it's advisable to use filtered or purified water to minimize the presence of impurities.