Introduction to argon gas dealers Argon is the 18th element
Argon was once prepared by Henry Cavendish in 1785, but it has not been found until 1894 when John William Strass and the Scottish chemist William Ramsay passed the experiment. Assuring that argon is a new element, they believe that the air should contain an unknown new gas, and that new gas is argon.
In the periodic table of chemical elements is a zero group (class) main group element, symbol Ar or A, atomic number 18.
Low heat transfer rate is one of the characteristics of argon. It can be used as scuba diving gas in scuba diving. Argon can also replace nitrogen in scuba (absorbing pure oxygen is not good for the body, so the To add other gases, because nitrogen will dissolve into the blood under high pressure and cause nitrogen anesthesia, argon can alleviate this symptom. The use of argon is very wide, and it can be said that the discovery of element 18 is a great discovery.
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