Distilled water
Distilled Water
Distilled water (/dɪˈstɪld ˈwɔːtər/) is a type of purified water that has had both contaminants and minerals removed. It is produced by boiling water into steam and then condensing the steam back into water, a process known as distillation.
Etymology
The term "distilled water" comes from the Latin word distillare, which means "to drip down, trickle". This refers to the process of distillation where water is heated to create steam, which is then cooled to create pure water.
Related Terms
- Distillation: The process by which distilled water is made. It involves heating a liquid until it becomes a gas and then cooling it back into a liquid form.
- Purified water: Water that has been filtered or processed to remove impurities. Distilled water is a type of purified water.
- Deionized water: Water that has had its ions removed. It is similar to distilled water, but the process of deionization removes ions, not the minerals.
- Mineral water: Water that contains minerals or other dissolved substances that alter its taste or give it therapeutic value. Unlike distilled water, mineral water retains its mineral content.
Uses
Distilled water is used in a variety of applications, including:
- In laboratories: Distilled water is used in labs because its lack of impurities ensures that it will not interfere with experiments.
- In automobiles: Distilled water is used in car batteries and in the cooling systems of cars because it does not contain minerals that can cause corrosion or build up.
- In CPAP machines: Distilled water is used in Continuous Positive Airway Pressure (CPAP) machines to prevent mineral deposits.
- In humidifiers: Using distilled water in humidifiers can prevent the build-up of mineral deposits in the machine, which can lead to a decrease in the machine's efficiency.
External links
- Medical encyclopedia article on Distilled water
- Wikipedia's article - Distilled water
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