The most significant advantage of purchasing DIPSO sodium salt powder over purchasing prepared solutions is cost control. The price of DIPSO sodium salt in powder form is usually more economical, as manufacturers do not need to pay additional solution preparation costs such as water resources, energy, labor, etc. in the production and sales process. Meanwhile, for researchers, preparing their own solutions can also flexibly adjust the concentration according to experimental needs, avoiding waste. Self preparing DIPSO sodium salt solution can ensure the freshness and quality of the solution. The prepared solution may undergo changes during storage and transportation due to environmental factors such as light, temperature, and humidity, which can affect its buffering effect. By purchasing DIPSO sodium salt powder, researchers can prepare solutions as needed according to experimental needs, ensuring that the solution is always in good condition. Purchasing DIPSO sodium salt powder provides greater flexibility for researchers. Different experiments may require different concentrations of DIPSO sodium salt solutions, and purchasing DIPSO sodium salt in powder form allows researchers to accurately prepare solutions of the required concentration based on the specific needs of the experiment. In contrast, prepared solutions often only have one or several fixed concentrations, making it difficult to meet the needs of all experiments. Although the prepared DIPSO sodium salt solution may seem to omit the preparation steps, in practical operation, preparing the solution by oneself may not necessarily be more cumbersome. Modern laboratories are usually equipped with precise weighing equipment and professional laboratory personnel, which can quickly and accurately prepare the required DIPSO sodium salt solution. In addition, self preparing solutions can help researchers become more familiar with the experimental process, improve the proficiency and accuracy of experimental operations.