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hplc column
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						Why hplc columns bonded carbon chain donot have more than c18 ?
					
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																							 - tom jupille
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						There *are* longer-chain columns. For example:
http://www.phenomenex.com/Products/Sear ... hwodvQm3kw
It's simply that C18 was one of the first things they tried and, except for special cases (e.g., vitamin D isomers) a longer chain really provides no benefit.
									http://www.phenomenex.com/Products/Sear ... hwodvQm3kw
It's simply that C18 was one of the first things they tried and, except for special cases (e.g., vitamin D isomers) a longer chain really provides no benefit.
-- Tom Jupille 
LC Resources / Separation Science Associates
tjupille@lcresources.com
+ 1 (925) 297-5374
				LC Resources / Separation Science Associates
tjupille@lcresources.com
+ 1 (925) 297-5374
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