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class="clear"></div> </div> </div>   <div id="aqgwbbhhdpu" class="NyNewDetail"> <div id="aqgwbbhhdpu" class="NyNewDetail_Main"> <h1 class="NyNewDetail_Name">水質(zhì)分析|水體中各種形態(tài)的氮，還傻傻分不清？</h1> <div id="aqgwbbhhdpu" class="NyNewDetail_Tips"> <span><img src="/skins/257424/images/ico04.png" />更新時間：2024-12-13</span><span><img src="/skins/257424/images/ico05.png" />點擊次數(shù)：1394</span> </div> <div id="aqgwbbhhdpu" class="NyNewDetail_Content" id="c_detail_wrap"> <section data-tools="135編輯器" data-id="151887"><section style="margin: 10px auto;"><section style="margin-bottom: -15px;display: flex;justify-content: center;padding-bottom: 5px;"><section style="background-image: linear-gradient(to right, rgb(42, 198, 175), rgb(255, 255, 255));background-position: initial;background-size: initial;background-repeat: initial;background-attachment: initial;background-origin: initial;background-clip: initial;transform: skew(-15deg);"><section style="display: flex;transform: translateY(5px);-webkit-transform: translateY(5px);-moz-transform: translateY(5px);-o-transform: translateY(5px);"><section style="flex-shrink: 0;transform: translateX(-4px);-webkit-transform: translateX(-4px);-moz-transform: translateX(-4px);-o-transform: translateX(-4px);"><section style="width: 5px;height: 100%;background-color: rgb(43, 81, 230);"><br/></section></section><section style="background-image: linear-gradient(to right, rgb(42, 84, 228), rgb(31, 192, 173));background-position: initial;background-size: initial;background-repeat: initial;background-attachment: initial;background-origin: initial;background-clip: initial;padding: 2px 15px;"><section style="transform: skew(15deg);-webkit-transform: skew(15deg);-moz-transform: skew(15deg);-o-transform: skew(15deg);"><section style="font-size: 16px;color: #ffffff;text-align: center;"><p style="line-height:2em;"><span style="font-size: 16px;"><strong>氨氮、硝酸鹽氮、亞硝酸鹽氮、總氮</strong></span></p></section></section></section></section></section></section><section style="border-width: 1px;border-style: solid;border-color: rgb(43, 81, 230);padding: 30px 15px 15px;"><section data-autoskip="1" style="line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); padding-bottom: 10px;"><section style="line-height: 2em;text-indent: 2em;"><span style="caret-color: rgb(255, 0, 0); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px; color: rgb(0, 0, 0);">在水質(zhì)檢測中，我們經(jīng)常關(guān)心的幾種形態(tài)的氮，包括氨氮、亞硝酸鹽氮、硝酸鹽氮、總氮等，其中氨氮、亞硝酸鹽氮、硝酸鹽氮（簡稱三氮）常用作水體自凈的指標，它們之間的相對含量，在一定程度上可以反映含氮有機物污染的時間長短，對了解水體污染歷史及分解趨勢和水體自凈狀況等有很高的參考價值。</span></section></section><section style="width: 100%; text-align: center;" data-width="100%"><p style="text-align: center"><img src="https://img44.chem17.com/9/20241213/638696848428858079174.jpg" alt="水質(zhì)分析|水體中各種形態(tài)的氮，還傻傻分不清？" style="width:800px;"/></p></section></section></section></section><p><br/></p><section data-tools="135編輯器" data-id="151885"><section style="margin: 10px auto;"><section style="margin: 10px auto;display: flex;justify-content: center;"><section style="display: flex;align-items: center;"><section style="flex-shrink: 0;z-index: 4;"><section style="font-size: 24px;letter-spacing: 1.5px;color: rgb(255, 255, 255);background-color: rgb(43, 81, 230);padding: 1px 6px;"><p style="line-height:2em;"><span style="font-size: 16px;"><strong>0</strong><strong data-original-title="" title="">1</strong></span></p></section></section><section style="display: flex;margin-left: -10px;"><section style="background-image: linear-gradient(to right, rgb(32, 193, 173), rgb(43, 84, 229));background-position: initial;background-size: initial;background-repeat: initial;background-attachment: initial;background-origin: initial;background-clip: initial;padding: 3px 15px 3px 25px;transform: skew(-15deg);"><section style="transform: skew(15deg);-webkit-transform: skew(15deg);-moz-transform: skew(15deg);-o-transform: skew(15deg);"><section style="font-size: 16px;color: #ffffff;text-align: center;"><p style="line-height:2em;"><span style="font-size: 16px;"><strong data-brushtype="text" style="line-height: 1.56em;">水體中各種氮的存在</strong></span></p></section></section></section><section style="flex-shrink: 0;padding-left: 3px;display: flex;align-items: flex-end;"><section style="width: 10px;height: 15px;background-color: rgb(32, 195, 172);transform: skew(-15deg);"><br/></section></section></section></section></section><section style="background-color: rgb(245, 250, 255);padding: 10px;"><section data-autoskip="1" style="line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background-color: transparent;"><p style="line-height:2em;"><span style="font-size: 16px;"><strong><span style="font-size: 16px; line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;">1、有機氮</span></strong></span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); color: rgb(0, 112, 192); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">關(guān)鍵詞：蛋白質(zhì)、氨基酸、酰胺、尿素</span></p><p style="margin-bottom: 15px;line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">有機氮是植物、土壤和肥料中與碳結(jié)合的含氮物質(zhì)的總稱，如蛋白質(zhì)、氨基酸、酰胺、尿素等。</span></p><p style="line-height:2em;"><span style="font-size: 16px;"><strong><span style="font-size: 16px; line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;">2、無機氮</span></strong></span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); color: rgb(0, 112, 192); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">關(guān)鍵詞：氨氮、硝態(tài)氮、亞硝態(tài)氮</span></p><p style="margin-bottom: 15px;line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">無機氮是指植物、土壤和肥料中未與碳結(jié)合的含氮物質(zhì)的總稱。主要有氨氮、硝態(tài)氮和亞硝態(tài)氮等。</span></p><p style="line-height:2em;"><span style="font-size: 16px;"><strong><span style="font-size: 16px; line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;">3、氨氮（NH3-N）</span></strong></span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); color: rgb(0, 112, 192); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">關(guān)鍵詞：游離氨、銨離子</span></p><p style="margin-bottom: 15px;line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">水中的氨氮指以游離氨（NH3）和銨離子（NH+ 4）形式存在的氮。</span></p><p style="line-height:2em;"><span style="font-size: 16px;"><strong><span style="font-size: 16px; line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;">4、亞硝酸鹽氮</span></strong></span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); color: rgb(0, 112, 192); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">關(guān)鍵詞：中間產(chǎn)物、不穩(wěn)定</span></p><p style="margin-bottom: 15px;line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">亞硝酸鹽氮指的是水體中含氮有機物進一步氧化，在變成硝酸鹽過程中的中間產(chǎn)物，不穩(wěn)定。在缺氧環(huán)境中，水中的亞硝酸鹽也可受微生物作用，復原為氨；在富氧環(huán)境中，水中的氨也可轉(zhuǎn)變?yōu)閬喯跛猁}。</span></p><p style="line-height:2em;"><span style="font-size: 16px;"><strong><span style="font-size: 16px; line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;">5、硝酸鹽氮</span></strong></span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); color: rgb(0, 112, 192); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">關(guān)鍵詞：最終產(chǎn)物、低毒或無毒</span></p><p style="margin-bottom: 15px;line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">硝酸鹽氮（NO3-N）是含氮有機物氧化分解的最終產(chǎn)物。水中氮以硝酸鹽形態(tài)存在者，屬低毒性或無毒性。水中的硝酸鹽氮含量過高會對人體造成危害。</span></p><p style="line-height:2em;"><span style="font-size: 16px;"><strong><span style="font-size: 16px; line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;">6、總氮（TN）</span></strong></span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); color: rgb(0, 112, 192); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">關(guān)鍵詞：TN、所有氮</span></p><p style="line-height:2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">總氮，簡稱為TN，是水中各種形態(tài)無機和有機氮的總量。包括氨氮、硝酸鹽氮、亞硝酸鹽氮等無機氮和蛋白質(zhì)、氨基酸、有機胺等有機氮，常被用來表示水體受營養(yǎng)物質(zhì)污染的程度。</span></p><p><br/></p></section></section><section style="display: flex;justify-content: flex-end;margin-right: 15px;"><section style="transform-origin: right center;margin-top: -15px;transform: scale(0.7);-webkit-transform: scale(0.7);-moz-transform: scale(0.7);-o-transform: scale(0.7);"><section style="display: flex;justify-content: space-between;"><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(176, 211, 239);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(167, 209, 235);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(157, 209, 231);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(143, 207, 223);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(128, 206, 216);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(113, 204, 210);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(82, 201, 195);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(68, 199, 189);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(55, 198, 183);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(43, 196, 177);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(34, 195, 172);margin-right: 2px;margin-left: 2px;"><br/></section></section><section style="display: flex;justify-content: space-between;margin-top: 3px;"><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(176, 211, 239);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(167, 209, 235);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(157, 209, 231);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(143, 207, 223);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(128, 206, 216);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(113, 204, 210);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(82, 201, 195);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(68, 199, 189);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(55, 198, 183);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(43, 196, 177);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(34, 195, 172);margin-right: 2px;margin-left: 2px;"><br/></section></section><section style="display: flex;justify-content: space-between;margin-top: 3px;"><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(176, 211, 239);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(167, 209, 235);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(157, 209, 231);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(143, 207, 223);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(128, 206, 216);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(113, 204, 210);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(82, 201, 195);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(68, 199, 189);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(55, 198, 183);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(43, 196, 177);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(34, 195, 172);margin-right: 2px;margin-left: 2px;"><br/></section></section><section style="display: flex;justify-content: space-between;margin-top: 3px;"><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(176, 211, 239);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(167, 209, 235);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(157, 209, 231);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(143, 207, 223);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(128, 206, 216);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(113, 204, 210);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(82, 201, 195);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(68, 199, 189);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(55, 198, 183);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(43, 196, 177);margin-right: 2px;margin-left: 2px;"><br/></section><section style="width: 4px;height: 4px;border-radius: 100%;background-color: rgb(34, 195, 172);margin-right: 2px;margin-left: 2px;"><br/></section></section></section></section></section></section><section data-tools="135編輯器" data-id="151885"><section style="margin: 10px auto;"><section style="margin: 10px auto;display: flex;justify-content: center;"><section style="display: flex;align-items: center;"><section style="flex-shrink: 0;z-index: 4;"><section style="font-size: 24px;letter-spacing: 1.5px;color: rgb(255, 255, 255);background-color: rgb(43, 81, 230);padding: 1px 6px;"><p style="line-height:2em;"><span style="font-size: 16px;"><strong>0</strong><strong data-original-title="" title="" data-num="2">2</strong></span></p></section></section><section style="display: flex;margin-left: -10px;"><section style="background-image: linear-gradient(to right, rgb(32, 193, 173), rgb(43, 84, 229));background-position: initial;background-size: initial;background-repeat: initial;background-attachment: initial;background-origin: initial;background-clip: initial;padding: 3px 15px 3px 25px;transform: skew(-15deg);"><section style="transform: skew(15deg);-webkit-transform: skew(15deg);-moz-transform: skew(15deg);-o-transform: skew(15deg);"><section style="font-size: 16px;color: #ffffff;text-align: center;"><p style="line-height:2em;"><span style="font-size: 16px;"><strong data-brushtype="text" style="line-height: 1.5em;">各種氮之間的轉(zhuǎn)換關(guān)系</strong><strong data-brushtype="text" style="line-height: 1.5em;"></strong></span></p></section></section></section><section style="flex-shrink: 0;padding-left: 3px;display: flex;align-items: flex-end;"><section style="width: 10px;height: 15px;background-color: rgb(32, 195, 172);transform: skew(-15deg);"><span style="text-align: center; font-size: var(--articleFontsize); letter-spacing: 0.034em;"><br/></span></section></section></section></section></section><section style="background-color: rgb(245, 250, 255);padding: 10px;"><section data-autoskip="1" style="line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background-color: transparent;"><p style="text-align: center;margin-bottom: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-imgfileid="511001028" data-ratio="0.562962962962963" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/1543l5CNdmS53QWg6P2sfPkkGjs2M3Xk2tKudVYYOAt8cSJwgY4XVUv12jOWHnfL4ia5s2Ub5x4stgtLn6dlGXg/640?wx_fmt=jpeg&from=appmsg" data-type="jpeg" data-w="1080" style="height: auto !important; visibility: visible !important; width: 657px !important;" data-original-style="" data-index="1" src="https://img44.chem17.com/9/20241213/638696848231003218370.jpg" _width="677px" __sec_open_place_holder__="true" crossorigin="anonymous" alt="水質(zhì)分析|水體中各種形態(tài)的氮，還傻傻分不清？" data-fail="0"/></p><section style="line-height: 2em;text-indent: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">水體中的有機氮、氨氮、硝酸鹽氮、亞硝酸鹽氮，在微生物的作用下存在轉(zhuǎn)化關(guān)系，主要總結(jié)如下：</span></section><p style="line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">（1）蛋白質(zhì)、脂肪等含氮有機物轉(zhuǎn)換為氨氮，稱為氨化；</span></p><p style="line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">（2）氨氮會在亞硝化菌、硝化菌作用下，在好氧條件下把氨氮氧化成硝酸鹽和亞硝酸鹽，稱為硝化；</span></p><p style="line-height: 2em;"><span style="line-height: 24.5px; text-decoration-style: solid; text-decoration-color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px;">（3）硝酸鹽和亞硝酸鹽在外界提供有機碳源情況下，由反硝化菌把硝酸鹽和亞硝酸鹽還原成氮氣，稱為反硝化；</span></p></section></section></section></section><p><br/></p><p><br/></p> </div> <div id="aqgwbbhhdpu" class="NyPro_PrevNext"> <p class="NyProPrev"><img src="/skins/257424/images/jt10.png" />上一個：<a href="/jsshengaohua-Article-3916163/">COD檢測儀是工業(yè)廢水與水環(huán)境監(jiān)測的多面手</a></p> <a href="/article.html" class="NyProAll"><img src="/skins/257424/images/ProAll.png" />返回列表</a> <p class="NyProNext">下一個：<a href="/jsshengaohua-Article-3879495/">如何利用COD智能消解器進行水質(zhì)分析</a><img 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