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class="w1200 clear"> <div id="m0wuomu" class="fl"> <div id="m0wuomu" class="bd"><span>熱門關(guān)鍵詞：</span>哈希水質(zhì)分析儀，氨氮分析儀，cod分析儀，濁度儀，bod分析儀，溶解氧分析儀</div> </div> <div id="m0wuomu" class="fr"> <form class="search clear" action="/products.html" id="form1" name="form1" method="post"> <input class="input fl" type="text" name="keyword" value="請輸入您要查詢的產(chǎn)品" autocomplete="off" onfocus="if(this.value=='請輸入您要查詢的產(chǎn)品'){this.value='';this.style.color='#a4ada9' }" onblur="if(this.value=='') if(this.value=='')" style="color: rgb(164, 173, 169);"> <input class="submit fl" type="submit" name="Submit" value=""> </form> </div> </div> </div>   <div id="m0wuomu" class="ny_content"> <div id="m0wuomu" class="w1200 clear"> <div id="m0wuomu" class="ny_bread_nav"><img src="/skins/290838/images/position.png" />當(dāng)前位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 哈希bod測定儀對(duì)比起經(jīng)典化學(xué)稀釋法具有多少優(yōu)點(diǎn) </div> </div> <div id="m0wuomu" class="ny_content_bd"> <div id="m0wuomu" class="w1200 clear"> <div id="m0wuomu" class="ny_newsdetail clear"> <h1 class="ny_newsdetail_title">哈希bod測定儀對(duì)比起經(jīng)典化學(xué)稀釋法具有多少優(yōu)點(diǎn) </h1> <div id="m0wuomu" class="ny_newsdetail_tips">更新時(shí)間：2017-03-19 | 點(diǎn)擊率：2441</div> <div id="m0wuomu" class="ny_newsdetail_con"> 該<strong><a href="http://www.qdjlst.com/shzmhb-SonList-1051733/" target="_blank">哈希bod測定儀</a></strong>適用于環(huán)境保護(hù)、水質(zhì)監(jiān)測、醫(yī)療衛(wèi)生防疫、醫(yī)藥工業(yè)、食品輕工、石油化工、城市用水、污水處理以及一切水質(zhì)管理控制部分和企業(yè)。 <div> <strong>哈希bod測定儀</strong>的工作原理是基于受有機(jī)物污染的水體中，好氣性微生物在好氣條件下以有機(jī)廢料為營養(yǎng)食料，在活動(dòng)和繁殖過程中不斷消耗水體中的氧氣，并呼出二氧化碳。在溫度為20±1℃培養(yǎng)五天時(shí)間，微生物對(duì)水中有機(jī)物的降解所需的氧量稱為BOD。 </div><div> 該<strong>哈希bod測定儀</strong>設(shè)置通過二氧化碳吸收劑及時(shí)吸收產(chǎn)生的二氧化碳，使用差壓計(jì)測出密封系統(tǒng)中氧量的消耗量。根據(jù)氣體分子運(yùn)動(dòng)理論、氣液相平衡理論以及兩千多個(gè)實(shí)驗(yàn)數(shù)據(jù)的數(shù)理統(tǒng)計(jì)，求出氧分壓的下降與BOD之間的關(guān)系式。 </div><div><strong>哈希bod測定儀</strong>對(duì)比起經(jīng)典化學(xué)稀釋法具有如下優(yōu)點(diǎn)： </div><div> 1、操作簡便，樣品不必稀釋； </div><div> 2、由差壓計(jì)的讀數(shù)直接讀出BOD值，不需經(jīng)過化學(xué)滴定； </div><div> 3、在測試過程中可以隨時(shí)了解微生物對(duì)有機(jī)物的降解過程，可以繪出BOD變化規(guī)律曲線； </div><div> 4、在測定過程中若發(fā)現(xiàn)超出量程范圍，可以記下*次讀數(shù)結(jié)果，放空回零再繼續(xù)試驗(yàn)，兩次結(jié)果可累加，不會(huì)導(dǎo)致實(shí)驗(yàn)失敗； </div><div> 5、測試不受外界氣壓變化影響，測定準(zhǔn)確可靠，與化學(xué)稀釋法的測試紙有很好的相關(guān)性。</div> </div> <div id="m0wuomu" class="ny_PrevNext"> <div id="m0wuomu" class="Prev">上一篇： <a href="/Article-1222566.html">上海植茂環(huán)保--溶解氧分析儀特點(diǎn)介紹</a></div> <div id="m0wuomu" class="Next">下一篇： <a href="/Article-1212727.html">美國Orion奧立龍AQ3010濁度儀特點(diǎn)</a></div> </div> </div> </div> </div> </div>   <div id="m0wuomu" class="pc_foot"> <div id="m0wuomu" class="pc_ft_main w1200 clear"> <div id="m0wuomu" class="ft_list"> <ul> <li><b>關(guān)于我們</b><a href="/aboutus.html">公司簡介</a><a href="/news.html">新聞動(dòng)態(tài)</a><a href="/article.html">技術(shù)文章</a></li> <li><b>產(chǎn)品展示</b> <a href="/Products-18038017.html">默克德國MERCK默克符合藥典要求試劑和輔料</a> 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