The qualitative analysis of lead acetate
Lead has unique characteristics in various substances. Today, lead acetate is the object of research, and qualitative analysis is carried out to clarify its properties and characteristics.

Take an appropriate amount of lead acetate sample and place it in a clean container. First look at its color state, lead acetate is often white crystalline, delicate in quality, and shiny in appearance. When touched, it feels slightly hard and cool.

Use water as a solvent to slowly dissolve lead acetate. It dissolves rapidly in water, the solution is clear and transparent, and there is no impurity suspension. This shows that lead acetate has good solubility in water, and the formed solution is uniform and stable.

Introduce potassium iodide solution and drop it into lead acetate solution. In an instant, there is a significant change in the solution, and a golden yellow precipitate emerges. This precipitate is lead iodide. It can be seen that lead ions and iodine ions in lead acetate solution react sensitively to form insoluble lead iodide. This reaction is a key sign for qualitative analysis of lead acetate.

Complex the lead acetate solution and drop it into the sodium sulfide solution. In Russia, black precipitation is formed, which is lead sulfide. This phenomenon shows that lead acetate can chemically react when it encounters sulfur ions to form a sulfide precipitate with a specific color. This is also an important basis for judging the existence of lead acetate.

After the above series of experimental operations and phenomenon observation, the qualitative analysis of lead acetate can be carried out according to the relevant chemical reaction characteristics and the color state of the precipitation, etc., to confirm its composition and characteristics, which is of great significance in the field of substance identification.