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Purity of argon

http://www.chromforum.org/viewtopic.php?t=52504

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Purity of argon

Posted: Tue Nov 28, 2017 5:30 am
by Amrnassertk
As per american welding society and ASTM E260 we shall check purity of argon using packed column and TCD . what is the best practice to do this ( column , external standard specs. quantitative method )

Re: Purity of argon

Posted: Tue Nov 28, 2017 5:43 am
by Amrnassertk
purity of argon is 99.997 %
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