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2Â¥2009-06-12 15:23:32
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Originally posted by plszsx at 2009-6-12 15:23:
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Xerogel is a solid formed from a gel by drying with unhindered shrinkage. Xerogels usually retain high porosity (25%) and enormous surface area (150¨C900 m2/g), along with very small pore size (1-10 nm). When solvent removal occurs under hypercritical (supercritical) conditions, the network does not shrink and a highly porous, low-density material known as an aerogel is produced.
3Â¥2009-06-13 02:57:01
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catalyst3775

It sounds like my advisor is right. Thank you for the two concepts.
4Â¥2009-06-13 05:49:22
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