On the preparation and use of a certain liquid
, it is the most important thing to adjust the pH value of ammonium acetate (5 dollars mM $Ammonium Acetate) to 5 dollars mM $.

To make this liquid, measure an appropriate amount of ammonium acetate with a precise device. In a clean device, pour water into it, stir it slowly, and dissolve the ammonium acetate. Then, measure its value with $pH $, according to the number of measured, slowly add acid or alkali, and adjust it to the required $pH $. After adjusting and measuring, so that the $pH $value is exactly the appropriate value of 5 dollars mM $ammonium acetate, it is prepared.

This liquid is widely used. In various experiments, it can be used as a buffer agent to stabilize the pH of the system. If the biochemical test involves the separation of proteins and nucleic acids, it can ensure the stability of the substance, and will not be inactivated or alloformed due to the change of pH. In the field of chemical industry, it can also be used to help the stability of the reaction and control the quality of the product.

When using this liquid, be careful. Although its properties are stable, it may encounter other things or react. Before use, it must be clear whether it can be in harmony with the thing received to avoid accidental changes. And when it is stored, it is appropriate to be in a cool and dry place, away from sunlight and hot topics, to prevent its qualitative change.

In short, the solution of 5 dollars mM $ammonium acetate to adjust $pH $, although it is small, it is a great contribution to all karma. The essence of the system and the careful use can make the best use, and those who do things cannot ignore it.