sulphur hexafluoride is a chemical substance with the chemical formula SF6, which is an inert gas. It has high insulation performance and chemical stability, high thermal stability and low toxicity, making it very suitable as a gas for medical purposes.
Uses of SF6 Sulphur Hexafluoride In Medicial industry
1. Cholecystography
sulphur hexafluoride gas is one of the most commonly used contrast agents in cholecystography. In cholecystography, doctors inject sulphur hexafluoride gas into the patient's abdominal cavity and then perform X-rays to observe the condition of the gallbladder.
2. Ophthalmic surgery
SF6 sulphur hexafluoride is also widely used in ophthalmic surgery. For example, in surgeries such as retinal detachment, doctors will inject sulfur hexafluoride into the patient's eyes to enhance intraocular positioning and support.
3. Neurological surgery
In neurological surgery, sulfur hexafluoride can be used to create a virtual cavity in the patient's brain to help doctors perform surgery more easily.
4. Pulmonary function test
Sulfur hexafluoride can also be used for pulmonary function tests because it can be exhaled by the human body and detected as it exhales, helping doctors to effectively understand the condition of lung function.
5. Drug transportation
Sulfur hexafluoride SF 6 gas can also be made into liquid form for the delivery of drugs to the affected area, which plays an important role in drug treatment.
In addition to its application in the medical field, SF6 is also used in the following industries.
Sulfur Hexafluoride as an Etching Gas
SF6 is used as an etching gas in the manufacture of semiconductor devices, photovoltaic panels, flat panels, and Micro-Electro-Mechanical-Systems. The unique properties of Sulfur hexafluoride, in this case the high density and large molecule size, make it one of the preferred etching gases in this industry. Many consumer products used in our daily lives contain semiconductors. These items include mobile phones, cameras, televisions, washing machines, refrigerators, and LED light bulbs.
SF6 in the Electrical Power Industry
The most common use of SF6 gas is as an insulating and arc quenching gas in medium and high voltage circuit breakers and electrical equipment such as gas-insulated switchgear. The chemical properties of SF6 gas- it's inert, non-toxic, and thermally stable- make it ideal for this application.
Sulfur Hexafluoride as a Noise Reducer in Windows
SF6 is a dense gas that is gaseous at normal temperatures and atmospheric pressures. Some double pane windows use a mixture of SF6 and argon gas to fill the space between the panes of glass. The gas mixture absorbs acoustic waves and reduces the volume of noise from the outside of the window.
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