The most common applications of mercury are in the manufacture of industrial chemicals and in electronic or electrical products. Mercury is also used in thermometers, especially for measuring high temperatures. In addition, mercury is used for:
Mercury can decompose gold in minerals, so it is often used in gold mines.
Mercury is also used in instruments such as barometer and diffusion pump.
The triple point of mercury is -38.8344℃, which is a standard point of temperature.
Gaseous mercury is used in mercury vapor lamps.
Other uses: mercury switches, pesticides, dental amalgam, preservatives in the production of chlorine and potassium hydroxide, electrodes, batteries and catalysts in some electrolytic equipment.