By Xiaolin Wei on Tuesday, July 20, 2004 - 11:10 am:

I am looking for a supplier of bare silica gel which will be grafted a ultrathin layer of polymer covelantly from the surface, silica gel with large pore size such as 1000 angstrom is needed for this project. If anyone can share some information about this, I will appreciate. Thanks.

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By SIELC_Tech on Tuesday, July 20, 2004 - 11:45 am:

DAISO in Japan is selling 1000A and 2000A silica in 7, 10, 15 and 20A. Please check the link bellow:

http://www.daiso.co.jp/product/hplc/chrom/sp-p.htm

We tried 300A and got very good results (compare to other manufacturers) in terms of quality of the material, mechanical stability, packing, etc.

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By A,Mouse on Tuesday, July 20, 2004 - 06:25 pm:

Another Supplier is Macherey Nagel in Germany