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window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdStyle":"0","bdSize":"16"},"share":{},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; </script>  </div> </div> <div class="content"><p>硫酸的原料有硫磺、黃鐵礦、有色金屬冶煉煙氣、石膏、硫化氫、二氧化硫和廢硫酸。硫、黃鐵礦和冶煉煙氣是三種主要原料，稀硫酸具有強氧化性?硫酸對人體的危害是非常大的，不僅它的氣味是有毒的，因為它是一種強酸具有非常大的腐蝕性，硫酸按照濃度可以分為稀硫酸和濃硫酸，濃硫酸有很強的氧化性，而稀硫酸沒有氧化性，只反映酸性，下面一起來跟硫酸廠家具體了解一下稀硫酸的濃度是如何調節的?</p><p><br/></p><p>稀硫酸是指濃度小于1.5g/mL，濃度小于9.2mol/L。<a href='http://www.xyljz.com/' target='_blank' class='key_tag'><font color=#2086ee><strong>工業制硫酸</strong></font></a>鑒別方法如下;</p><p style="text-align: center;"><img src="http://www.xyljz.com/data/images/news/thumb_20221228084430_304.jpg" width="500" height="500" border="0" vspace="0" title="硫酸廠家" alt="硫酸廠家" style="width: 500px; height: 500px;"/></p><p>1、稱量法，濃硫酸密度高于稀硫酸(98%濃硫酸密度為1.84g/mL)，所以在相同體積下，重的是濃硫酸。</p><p><br/></p><p>2、沸點法，淮安硫酸是一種高沸點的酸，98%濃硫酸的沸點為338℃，所以Z好在試管中稍微加熱，先沸騰后產生大量的水蒸氣為稀硫酸，注意不要吸入蒸汽，因為會有少量的酸隨水蒸騰。難熬的是濃硫酸。</p><p><br/></p><p>3、鐵鋁法，分別取少量在試管中，加入鐵絲或鋁板，無濃硫酸現象，有氣泡則為稀硫酸。因為常溫下濃硫酸能使鐵、鋁等金屬表面迅速氧化成致密的氧化膜而發生“鈍化”，但如果在硫酸溶液中加入少量氯離子，則會催化氧化膜的分解。一種理論是氯離子與氧化膜形成絡合物，另一種理論是氯離子半徑小于氧化物分子間間隔。氯離子可以進入氧化膜并繼續參與反應。</p></div> <h3 class="tag">本文網址：http://www.xyljz.com/news/478.html </h3> <div class="page">上一篇：<a href="http://www.xyljz.com/news/477.html">淺談工業鹽酸是如何確定它的濃度</a><br />下一篇：<span><a href="http://www.xyljz.com/news/479.html">淺談硫酸的價格波動因素</a></span></div> </div> <div class="relateproduct relate"><h4>Z近瀏覽：</h4> <div class="content"> <ul id="relate_n" class="news_list clearfix"> </ul> </div> </div>  <div class="relate_list"> <div class="relateproduct 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