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</div> </div> <div class="content">  <div class="news_detail"> <h1 class="title">簡單介紹一下工業制硫酸的原理</h1> <div class="info_title clearfix"> <h3 class="title_bar"> 發布日期：<span>2022-09-17</span> 作者：<span></span> 點擊：<span><script src="http://www.trdpw.com/data/include/newshits.php?id=403"></script></span> </h3> <div class="share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone"></a> <a href="#" class="bds_tsina" data-cmd="tsina"></a> <a href="#" class="bds_tqq" data-cmd="tqq"></a> <a href="#" class="bds_renren" data-cmd="renren"></a> <a href="#" class="bds_weixin" data-cmd="weixin"></a> </div> <script> 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 style="line-height: 3em; text-indent: 2em;"><strong>簡單介紹一下<a href='http://www.trdpw.com/' target='_blank' class='key_tag'><font color=#2086ee><strong>工業制硫酸</strong></font></a></strong></p><p style="line-height: 3em; text-indent: 2em;">將一定比例的三氧化硫和水混合可制得硫酸。硫酸是一種重要的<a href='http://www.trdpw.com/product/cpfly3ba/' target='_blank' class='key_tag'><font color=#2086ee><strong>化工原料</strong></font></a>，用途十分廣泛，除用于化學工業外，還非常廣泛應用于肥料、非堿性清潔劑、護膚品、油漆添加劑與炸藥的制造等方面。</p><p style="line-height: 3em; text-indent: 2em;">工業硫酸是一種油狀的液體，一般看起來是無色透明狀的，硫酸的密度比水的密度大，溶于水是放出大量的熱；有強烈的腐蝕性和脫水性。<span style="text-indent: 2em;">分子式: H2SO4</span><span style="text-indent: 2em;">相對分子質量：98.08(按1985年國際原子量)</span></p><p style="line-height: 3em; text-indent: 2em;">檢驗方法</p><p style="line-height: 3em; text-indent: 2em;"><strong>1、硫酸含量的測定和發煙硫酸中游離三氧化硫含量的測定</strong></p><p style="line-height: 3em; text-indent: 2em;">①本方法為GB11198.1-89《工業硫酸硫酸含量的測定和發煙硫酸中游離三氧化硫含量的計算滴定法》。此標準參照采用國際標準ISO910-1977《工業硫酸和發煙硫酸——總酸度的測定和發煙硫酸中游離三氧化硫含量計算——滴定法》。</p><p style="line-height: 3em; text-indent: 2em;">1.方法原理</p><p style="line-height: 3em; text-indent: 2em;">以甲基紅-次甲基藍為指示劑，用氫氧化鈉標準溶液中和滴定，以測得硫酸含量?；蛴蓽y得的硫酸含量換算成游離三氧化硫含量。</p><p style="line-height: 3em; text-indent: 2em;">2.試劑和溶液</p><p style="line-height: 3em; text-indent: 2em;">氫氧化鈉（GB629）標準溶液：c(NaOH)=0.5mol/L；甲基紅-次甲基藍混合指示劑。</p><p style="line-height: 3em; text-indent: 2em;">3.儀器</p><p style="line-height: 3em; text-indent: 2em;">玻璃安瓿球（直徑約15mm，毛細管端長約60mm）。</p><p style="line-height: 3em; text-indent: 2em;">4.稱樣和試液的制備</p><p style="line-height: 3em; text-align: center; text-indent: 0em;"><img src="/data/upload/image/20220917/1663397842546804.jpg" title="工業硫酸" alt="工業硫酸" width="800" height="800" border="0" vspace="0" style="width: 800px; height: 800px;"/></p><p style="line-height: 3em; text-indent: 2em;"><strong>2、特種硫酸和濃硫酸</strong></p><p style="line-height: 3em; text-indent: 2em;">用已稱量的帶磨口蓋的小稱量瓶，稱取約0.7g試樣（稱準至0.0001g）小心移入盛有50ml水的250ml<a href='http://www.trdpw.com/product/780.html' target='_blank' class='key_tag'><font color=#2086ee><strong>錐形瓶</strong></font></a>中，冷卻至室溫，備用。</p><p style="line-height: 3em; text-indent: 2em;">1.發煙硫酸</p><p style="line-height: 3em; text-indent: 2em;">將安瓿球稱量（稱準至0.0001g），然后在微火上烤熱球部，迅速將該球之毛細管插入試樣中，吸入約0.7g試樣，立即用火焰將毛細管頂端燒結封閉，并用小火將毛細管外壁所沾上的酸液烤干，重新稱量。</p><p style="line-height: 3em; text-indent: 2em;">將已稱量的安瓿球放入盛有100ml水的具磨口塞的50ml錐形瓶中，塞緊瓶塞，用力振搖以粉碎安瓿球，繼續振蕩直至霧狀三氧化硫氣體消失，打開瓶塞，用玻璃棒輕輕壓碎安瓿球的毛細管，用水沖洗瓶塞、瓶頸及玻璃棒，備用。</p><p style="line-height: 3em; text-indent: 2em;">2.測定步驟</p><p style="line-height: 3em; text-indent: 2em;">3.特種硫酸的濃硫酸</p><p style="line-height: 3em; text-indent: 2em;">于試液（1.4.1）中，加2-3滴混合指示劑，用氫氧化鈉標準溶液滴定至溶液呈灰綠色為終點。</p><p style="line-height: 3em; text-indent: 2em;">4.發煙硫酸</p><p style="line-height: 3em; text-indent: 2em;">于試液（1.4.2）中，按1.5.1中的方法滴定。</p><p style="line-height: 3em; text-indent: 2em;"><strong>3、計算</strong></p><p style="line-height: 3em; text-indent: 2em;">1.特種硫酸和濃硫酸，<span style="text-indent: 2em;">硫酸的含量X（%）按式（1）計算：</span><span style="text-indent: 2em;">X=(V*c*0.04904)/m*100 （1）</span><span style="text-indent: 2em;">式中 V——滴定耗用的氫氧化鈉標準溶液體積，ml；</span><span style="text-indent: 2em;">c——氫氧化鈉標準溶液濃度，mol/L；</span><span style="text-indent: 2em;">0.04904——與1.00ml1.000mol/L氫氧化鈉標準溶液相當的，以克表示的硫酸的質量。</span></p><p> 以上就是工業制硫酸廠家整理的有關信息，有想要了解<a href='http://www.trdpw.com/' 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