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src="http://www.chem17.com/mystat.aspx?u=sunde17"></script>  <div id="yyqsccq" 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>SN-870五日法BOD測量過程中應注意的事項</span></p> </div>   <div id="aikoggc" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">SN-870五日法BOD測量過程中應注意的事項</h1> <div id="uiumqem" class="NyNewsdetail_tips">更新時間：2017-07-11 點擊次數：1939</div> <div id="mwgquiq" class="NyNewsdetail_con"> <p>SN-870五日法BOD測量過程中應注意的事項：</p><p>1.精密度與準確度</p><p>2.水中有機物的生物氧化過程的處理方法</p><p>3.測定生化需氧量的水樣，采集時應充滿并密封于瓶內。</p><p>4.玻璃器皿應*洗凈。</p><p>5.對某些地面水和大多數工業廢水，因含較多的有機物，需要是稀釋后再培養測定，以降低其濃度保證有充足的溶解氧。</p><p>6.為了保證水樣稀釋后有充足的溶解氧，稀釋水通常需要通入空氣進行曝氣等等。</p><p> </p><p>其他更詳細和專業的，請青島尚德環?？萍加邢薰?。</p> </div> <div id="owgqcsy" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-1300246.html">SN-200A-3型光度法測氨氮的注意事項</a></li> <li>下一篇：<a href="/Article-1300239.html">使用設備時產生誤差的原因</a></li> </ul> </div> </div>   <div id="cykewmm" class="ly_foot"> <div 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