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<tbody> </tbody> </table> </section><p><span style="font-size:14px"><span style="font-family:times new roman"><strong>-6/SN-III </strong></span><strong>環(huán)境檢測機構COD/總磷/總氮微波消解儀</strong></span></p><p> </p><p><span style="font-size:14px"><span style="font-family:times new roman"><strong>一、產(chǎn)品介紹</strong></span></span></p><p><span style="font-size:14px"><span style="font-family:times new roman"> 化學(xué)需氧量 (COD) 是指在強酸條件下，用重鉻酸鉀作為氧化劑處理水樣時(shí)所消耗氧化劑的量，以氧的mg／L來(lái)表示?；瘜W(xué)需氧量反映了水中受還原性物質(zhì)污染的程度，水中還原性物質(zhì)包括有機物、亞硝酸鹽、亞鐵鹽、硫化物等。COD Cr 是我國實(shí)施排放總量控制的指標之一。 </span></span></p><p><span style="font-size:14px"><span style="font-family:times new roman"> </span></span><span style="font-family:times new roman; font-size:14px"><strong> </strong></span><span style="font-size:14px"><strong>環(huán)境檢測機構COD/總磷/總氮微波消解儀</strong><span style="font-family:times new roman">，是迄今為止國內型的專(zhuān)門(mén)用于監測各種廢水，生活污水和地表水化學(xué)需氧量的裝置。 </span></span></p><p><span style="font-size:14px"><span style="font-family:times new roman"> 較之COD標準回流法，微波密封消解COD方法所需試劑顯著(zhù)減少，抗氯離子干擾強，消解時(shí)間僅10分鐘，達到省時(shí)、節能、節水和高效的目的，可作為等效方法使用。</span></span></p><p> </p><p><span style="font-size:14px"><span style="font-family:times new roman"><strong>二、工作原理</strong></span></span></p><p><span style="font-size:14px"><span style="font-family:times new roman"> <strong> </strong></span><strong></strong><span style="font-family:times new roman">是用頻率為2450MHZ的電磁波(稱(chēng)為微波)能量來(lái)加熱反應液，在高頻微波能的作用下，反應液分子產(chǎn)生高速磨擦運動(dòng)，使其溫度迅速升高，另外采用密封消解方式，使其消解罐內部壓力迅速提高到約203kPa。因此不僅縮短了消解時(shí)間，而且還可以抑制氯離子被重鉻酸鉀氧化成氯氣，若加入適量的硫酸汞作為掩蔽劑，則可實(shí)現對高氯水的COD測定。整個(gè)消解過(guò)程免冷卻水，減少了冷水管安裝及停水的煩惱。</span></span></p><p><span style="font-size:14px"><span style="font-family:times new roman"> 水樣在微電腦控制下，在強酸性溶液中，用一定量的重鉻酸鉀氧化水樣中還原性物質(zhì)，過(guò)量的重鉻酸鉀以試亞鐵靈為指示劑，用硫酸亞鐵銨進(jìn)行滴定，計算出COD Cr值。亦可用比色法，在波長(cháng)600nm處直接測定反應液中三價(jià)鉻濃度，求得水樣的COD Cr值。</span></span></p><p> </p><p><span style="font-size:14px"><span style="font-family:times new roman"><strong>三、技術(shù)指標</strong></span></span></p><p> </p><table align="left" border="1" cellpadding="0" cellspacing="0" style="color:rgb(0, 0, 0); font-family:microsoft yahei,arial,helvetica,sans-serif; font-size:12px; line-height:normal; width:500px"><tbody><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">主要參數</span></td><td style="vertical-align:middle"><p><span style="font-family:times new roman">參數范圍</span></p></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">測量范圍</span></td><td style="vertical-align:middle"><p><span style="font-family:times new roman">COD Cr 10 ～ 3000mg/L( 毫克 / 升 )</span></p><p><span style="font-family:times new roman">COD Cr ＞ 3000mg/L ( 稀釋測定 )</span></p></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">精度</span></td><td style="vertical-align:middle"><p><span style="font-family:times new roman">室內相對標準偏差：≤ 4.3%</span></p><p><span style="font-family:times new roman">室間相對標準偏差：≤ 5.0%</span></p></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">準確度</span></td><td style="vertical-align:middle"><p><span style="font-family:times new roman">測定結果同標準重鉻酸鉀回流法相比對</span></p><p><span style="font-family:times new roman">線(xiàn)性相關(guān)系數 r ＞ 0.999</span></p></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">功率</span></td><td style="vertical-align:middle"><p><span style="font-family:times new roman">微波加熱消解時(shí)，zui高輸入功率為 1200W</span></p></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">供電電源</span></td><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">交流 220V ， 50H Z</span></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">使用環(huán)境溫度</span></td><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">0 ～ 40 ℃</span></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">環(huán)境相對濕度</span></td><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">不大于 95%</span></td></tr><tr><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">外形尺寸</span></td><td style="text-align:center; vertical-align:middle"><span style="font-family:times new roman">537 × 403 × 319(mm)</span></td></tr></tbody></table><p> </p><p> </p><p> </p><p><br /> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p><span style="font-size:14px">注意事項：發(fā)生以下情況不能使用：<br />1.爐門(mén)破損或者爐門(mén)無(wú)法鎖緊時(shí)<br />2.沒(méi)有放入轉環(huán)和玻璃轉盤(pán)時(shí)<br />3.裝置內無(wú)消解物品時(shí)<br />4.消解罐為空時(shí)<br />5.消解罐只裝清水時(shí)</span></p><p> </p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·青島尚德環(huán)?？萍加邢薰?，*，大量現貨備貨。</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·青島尚德環(huán)?？萍加邢薰?，為您提供完善的售前售后技術(shù)服務(wù)。</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·青島尚德環(huán)?？萍加邢薰?，可定制生產(chǎn)各類(lèi)環(huán)境檢測儀器儀表，。</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·COD快速測定儀，經(jīng)濟型COD檢測儀，COD消解器，COD恒溫加熱器；</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·紅外測油儀，紅外分光測油儀；</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·BOD檢測儀，BOD快速測定儀，BOD生化培養箱；</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·自動(dòng)水質(zhì)采樣器，手動(dòng)水質(zhì)采樣器，有機玻璃深水采樣器；</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·林格曼黑度計，林格曼測煙望遠鏡；</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·PM2.5激光粉塵儀，PM10激光粉塵儀，總塵總粉塵儀，各種防爆粉塵檢測儀；</span></span></span></p><p><span style="font-size:14px"><span style="color:#337fe5"><span style="font-family:times new roman">·氧氣檢測儀，氬氣分析儀，氮氣分析儀，硫化氫、一氧化碳、可燃氣等有毒有害氣體檢測儀。</span></span></span></p> </div> <div id="bd8lmiie" class="lyNyProDetail_ConTit" id="cpzx"><p>產(chǎn)品咨詢(xún)</p></div> <div id="bd8lmiie" class="ly_msg"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div 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