argon gas Ar
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| Post Date: | Feb 24,2014 |
| Expiry Date: | Aug 23,2014 |
| Detailed Description: |
Cas No. :7440-37-1
Payment Method: T/T, L/C Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 (noble gases) of the periodic table. Argon is the third most common gas in the Earth's atmosphere, at 0.93% (9,300 ppm), making it approximately 23.8 times as abundant as next most common atmospheric gas, carbon dioxide (390 ppm), and more than 500 times as abundant as the next most common noble gas, neon (18 ppm). Nearly all of this argon is radiogenic argon-40 derived from the decay of potassium-40 in the Earth's crust. In the universe, argon-36 is by far the most common argon isotope, being the preferred argon isotope produced by stellar nucleosynthesis in supernovas. |
| CAS Registry Number: | 7440-37-1 |
| Synonyms: | ;argon atom;argon,compressed;argon,highpurity;argon,refrigeratedliquid;argon,refrigeratedliquid(cryogenicliquid);argon-40;argongas;argonliquid; |
| Molecular Formula: | Ar |
| Molecular Weight: | 39.948 |
| Molecular Structure: | 
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| Safety Description: | S38:; |
| Company: | Central China Special Gas Co., Ltd. [ China ] |
| Contact: | Kelvin Den |
| Tel: | 0734-8755678 |
| Fax: | 0734-8755678 |
| Email: | den@ccsg.cn |
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