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src="http://www.chem17.com/mystat.aspx?u=sunde17"></script>  <div id="4oykua4" class="ly_crumb"> <img src="/skins/342860/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁</a> > <a href="/article.html">技術文章</a> > <span>紅外測油儀測量數據偏小的原因</span></p> </div>   <div id="s4464u6" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">紅外測油儀測量數據偏小的原因</h1> <div id="44eya4c" class="NyNewsdetail_tips">更新時間：2020-02-11 點擊次數：2604</div> <div id="2uq4mwm" class="NyNewsdetail_con"> <p><span style="font-family:宋體">紅外測油儀數據偏小的原因：</span></p><p>1<span style="font-family:宋體">）比色皿中萃取液過少，應至少三分之二。（光學系統中，光路經過比色皿的位置大約在比色皿的二分之一處，如果液體少于二分之一，那么檢測結果沒有意義）</span></p><p>2<span style="font-family:宋體">）設置了不正確的稀釋倍數。（稀釋倍數設置錯誤導致測量結果偏低）</span></p><p>3<span style="font-family:宋體">）排除試劑和操作的原因（如實驗所用到的器皿清洗不*，使用了其他的清潔劑清洗等都會導致結果有誤；清洗器皿只能使用萃取劑清洗；另外，操作過程中量取不準確也會導致出現問題），也有可能是萃取不*所致，使用萃取器應至少連續萃取</span>3<span style="font-family:宋體">分鐘以上；如果使用分液漏斗萃取，應盡量多震蕩幾次，使萃取充分。</span></p> </div> <div id="4cg4s44" class="ly_PrevNext"> <ul> <li>上一篇：<a 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