Pure water - Names and Identifiers
Pure water - Introduction
Pure water refers to water that is free of impurities and dissolved substances and has some special properties and uses. The following is an introduction to the nature, use, formulation and safety information of Pure water:
Nature:
1. Pure water's chemical formula is H2O, and its molecules are composed of hydrogen atoms and oxygen atoms.
2. Pure water has colorless, tasteless and odorless properties.
3. Pure water has a density of about 1g/cm3, its freezing point is 0 degrees celsius, and its boiling point is 100 degrees celsius.
4. Pure water is neutral under most environmental conditions and has a pH of about 7.
Use:
1. Pure water is widely used in scientific fields such as drug preparation, laboratory research, chemical analysis and biotechnology.
2. It is also used as a coolant, cleaning agent, steam generator and electrolyte in batteries.
3. In the food and beverage industry, Pure water is commonly used in drinking water, food processing and beverage manufacturing.
Preparation Method:
1. Pure water can be prepared by distillation. In the distillation process, water is heated to evaporate and then condensed back into liquid form to remove impurities.
2. In addition, Pure water can also be prepared by ion exchange, reverse osmosis and electrodeionization.
Safety Information:
1. Pure water is generally considered safe because it is not toxic.
2. However, Pure water sold commercially may add certain ingredients to improve taste or provide additional nutritional value. When buying Pure water, it's best to check the ingredient list to see its true nature.
3. when using Pure water in the laboratory, pay attention to follow the safety regulations and avoid contact with harmful chemicals or eating by mistake.
4. Store Pure water properly to prevent cross-contamination or bacterial growth.
Last Update：2024-04-09 21:32:45