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4Â¥: Originally posted by zhouwenhui2000 at 2011-11-17 08:09:11:
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You should purify the as-prepared solution before dropping it on the copper grids. Also, the way you purify or precipitate it should not affect its final stability in the drop solution.
2Â¥2011-11-17 00:19:29
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3Â¥2011-11-17 00:40:27
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