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Originally posted by haiming0506 at 2010-05-31 13:18:17:
ÎÊ£º×öµí·ÛË®½â³É»¹Ô­ÌÇʱ£¬ÓеÄÓÃŨÁòËáË®½â£¬ÓеÄÓÃÑÎËáË®½â£¬ÓÐʲô²î±ð£¿£¿£¿´ÓË®½âµÄÔ­ÀíÉÏÓÐÊ²Ã´Çø±ð£¿£¿£¿

Using H2SO4, is is used to break the bond and then dehydrate into sugar. H2SO4 is easy to over reaction--side products. Using diluted HCl, it can operate the reaction by controlling pH value.
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