Argon is the third most abundant gas in the Earth's atmosphere and began to gain popularity as the nineteenth century came to a close, mostly because of its inertness and molecular weight, its abundance in comparison to other rare gases, and its commercial availability. Several of argon’s attributes has helped it emerged as a leading gas used for many technical jobs. Due to its dense atmosphere, argon is credited with enabling nuclear researches to segregate neutrons.
The most common present-day utilizations of high-purity argon are its use as a carrier gas in specific analytical instrument applications or when analyzing hydrogen in helium. Argon has also recently begun to be quite popular in the semiconductor industry as a carrier/purge gas.
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