What type of formulation is characterized by particles of pesticide that are suspended in a liquid?

The type of formulation characterized by particles of pesticide suspended in a liquid is known as an Emulsifiable Concentrate. This formulation consists of a pesticide that is mixed with a liquid carrier, allowing the user to create an emulsion when it is mixed with water. The active ingredients are typically oil-based and require an emulsifying agent to ensure they disperse evenly throughout the water.

Emulsifiable concentrates are valued for their ability to provide even distribution of the pesticide and often result in lower volumes needed for application compared to some other types of formulations. They can be used effectively for various applications due to their concentrated nature.

Other types mentioned—granules, gel, and aerosol—are distinct in their formulation and usage. Granules are solid particles that are often used for soil application, gels are thickened liquids that can adhere to surfaces, and aerosols are formulations designed for use in spray canisters, where the substance is dispersed as a mist. Each of these alternatives serves different purposes and has different application methods compared to emulsifiable concentrates.