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)快些，感覺(jué)更涼一些，而乙醇摸上去感覺(jué)有點(diǎn)溫暖的感覺(jué)，當然了，用鼻了一聞就知道啦，二者氣味不一樣度的。<br></p><p>　　下面乙醇加工廠(chǎng)家來(lái)為您介紹下三種可用的區分方法：</p><p>　　(1)乙醇屬伯醇，利用甲醇與金屬來(lái)鈉反應比乙醇和金屬鈉自反應速率快可以區別，因為乙醇和金屬鈉反應比水和金屬鈉要緩和得多，而甲醇和金屬鈉反應比乙醇和金屬鈉反應要快些。</p><p>　　(2)利用醇的脫水反應，控制好溫度，使用濃硫酸作催化劑，乙醇能產(chǎn)生分子內脫水，而甲醇百只能發(fā)生分子間脫水。</p><p>　　(3)如果是純品，可用比重計測密度，根據密度不同可區別。用沸騰的方法不夠a全，因為甲醇蒸汽很毒的度，建議不用。</p><p><br></p><p>本文網(wǎng)址：<a href="http://www.njxhtz.com/baike/45.html"> http://www.njxhtz.com/baike/45.html</a></p> </div> <div id="5lppzv1" class="share mb30"> <div id="pb5btpj" class="bshare-custom">分享到：<div id="frprtdh" class="bsPromo bsPromo2"></div><a title="分享到QQ空間" class="bshare-qzone"></a><a title="分享到新浪微博" class="bshare-sinaminiblog"></a><a title="分享到人人網(wǎng)" class="bshare-renren"></a><a title="分享到騰訊微博" class="bshare-qqmb"></a><a title="分享到網(wǎng)易微博" class="bshare-neteasemb"></a><a title="分享到搜狐微博" class="bshare-sohuminiblog" href="javascript:void(0);"></a><a title="分享到百度空間" class="bshare-baiduhi" 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