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$("#subNav").children("li"); var lid="#page1"; //alert(lid); //$(obj[xid]).removeClass(); $(lid).addClass("hover"); }); </script> <div class="main_right"> <div class="main_top1"> <p>您的位置：<a href="/">首頁</a> > <a href="/products.html" title="產品中心">產品中心</a> > > <a href="/ParentList-1718102.html">水質檢測儀器</a> > JH-TD400地表水四參數水質檢測儀氨氮總氮測試儀直銷 </p> <big>產品中心</big> </div> <div class="clear"></div> <dl class="product_article"> <dt> <div class="proimg_bk1"><a class="proimg1"><img src="http://img68.chem17.com/gxhpic_d55d0c909a/ded686a63f8dc5f1d214c82a86142a0e3c9fe16f76489d5e0bd7cf00f80d70cda1ca83578ea34cab.jpg"/></a></div> </dt> <dd deep="3"> <div id="prod_gs" class="prod_gs"> <div class="prod_view_name"> <strong class="prod_view_name_bt">產品名稱：</strong> <b><h1 style="font-size: inherit"><span id="ShoveWebControl_Text3">地表水四參數水質檢測儀氨氮總氮測試儀直銷</span></h1></b> </div> <div id="xn_c_prodv_26_wrap" class="xn_c_prodv_26_wrap"> <div class="xn_c_prodv_26_name" style="line-height: 36px;"> <span class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產品型號：</span></span> <span class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">JH-TD400</span></span> </div> <div class="xn_c_prodv_26_name" style="line-height: 36px;"> <span class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產品時間：</span></span> <span class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2023-11-20</span></span> </div> </div> <div id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">地表水四參數水質檢測儀氨氮總氮測試儀直銷：</br>該產品將經典的比色法與計算機技術結合起來，應用微電腦光電子比色檢測原理取代傳統的目視比色法，測量分辨率大大提高。實現了測定過程的自動化。廣泛地應用于廠礦企業排污口監測、城市污水處理工廠進出口監測、江河湖泊水質監測和污水治理設施過程控制之中。</span></div> </div> <p></p> </dd> </dl> <div class="main_top3"><p>產品介紹</p></div> <div class="product1 pro_1"> <p><span style="font-size:16px"><span style="font-family:黑體"><span style="font-size:28px"><span style="color:rgb(178, 34, 34)">價格以實際報價為準</span></span><img alt="" src="https://img65.ybzhan.cn/gxhpic_d55d0c909a/70a218fbea3767b507a3e95e4b93b8b3951c900bfa0157c754b51015d3103cad455b1558827c78e4.jpg" style="height:1110px; margin:0px; width:800px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>地表水四參數水質檢測儀氨氮總氮測試儀直銷</strong>性能特點：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">1.大屏幕液晶背光顯示，240*128點陣，中文操作界面，人性化程序設計。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">2.測量范圍寬，并可據水樣實際情況進行量程切換。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">3.測定與消解系統分別設計，*立電源控制，操作過程可分別進行，互不影響；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">4.自動恒溫控制系統,PID調節技術，消解過程溫度恒定、精度高；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">5.1點至7點校正模式，自動計算斜率、截距及相關系數，測量精度高。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">6.故障自診斷智能設計，使儀器管理和維護簡易方便。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">7.儀器內置實時時鐘，每條測量記錄都帶有測量時間戳，方便統計與查詢；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">8.大容量數據存儲，斷電保護設計，確保儀器不受損壞和數據記錄不丟失。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">9.抗干擾能力強，適用于工業現場，可廣泛應用于地表水和污染源的監控。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">10.儀器采用半導體冷光源發光器，光學電路設計，抗干擾能力強，測量數據精度高、穩定性好，光源壽命長。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">11.具有數據輸出接口，可連接電腦，將測量數據傳輸至電腦；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">12.選配打印機，可直接打印測量數據和歷史數據；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">13. 一體式設計，重量輕，整機美觀，方便攜帶；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">14.試劑用量少，運行成本低，抗干擾能力強。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img75.chem17.com/gxhpic_d55d0c909a/7dcfb85b91dc08c56545b6d57b1b8664ecf7d35d74dd1d31eb670945f42db7f2da9fc2e0d8535dc1.png" style="height:800px; width:800px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>地表水四參數水質檢測儀氨氮總氮測試儀直銷</strong>技術參數：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">1、同時消解樣品數量： 12（標配）、25、36支（特殊數量可定制）；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">2、消解溫度控制范圍：≤200℃，時間控制范圍≤999分鐘，自動定時；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">3、曲線參數：每種指標各可設定100條測量曲線參數；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">4、數據存儲：可存儲30000條測量數據；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">5、數據校準：1-7點校正模式，自動校正曲線值；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">6、環境溫度：（5 ~ 40）℃；環境濕度：相對濕度＜ 85%（無冷凝）；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">7、工作電源：AC 220V±10% / 50Hz；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">COD指標：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">① 測定方法：快速催化法（鉻法）；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">② COD高低量程雙波長測定：5~150mg/L低波長；100~10000mg/L,高波長；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">③ 測定范圍：5 ~ 10000 mg/L（＞1000 mg/L時分段或稀釋測定）；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">④ 測量誤差：5~100 mg/L，誤差≤±5 mg/L;100 mg/L~10000 mg/L，相對誤差≤±5 %</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">⑤ 消解溫度：165 ± 1℃；消解時間：15分鐘；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">⑥ 抗氯干擾：[CL-] ＜1000mg/ L；（當[CL-] ＞1000mg/ L時，可稀釋測定）</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">氨氮指標：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">① 測定方法：納氏比色法；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">② 測定范圍：0.01mg/L～50mg/L；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">③ 測量誤差：≤±5 %</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">總磷指標：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">① 測定方法：鉬酸銨分光光度法；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">② 測定范圍：0.01mg/L～24mg/L；測量誤差：≤±5 %；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">③ 消解溫度：120 ± 1℃；消解時間：30分鐘；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">總氮指標：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">① 測定方法：光度比色法；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">② 測量范圍：≤ 100mg/L；測量誤差：≤±5 %</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">③ 消解溫度：125± 1℃；消解時間：30分鐘</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img75.chem17.com/gxhpic_d55d0c909a/7dcfb85b91dc08c56545b6d57b1b866479713eef5bc6fb33d317dd17780bce88dcdc08994879d0eb.png" style="height:800px; width:800px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"> </span></span></p><h3><span style="font-size:16px"><span style="font-family:黑體"><strong>水樣的干擾及消除</strong></span></span></h3><p><span style="font-size:16px"><span style="font-family:黑體">① 氯離子是主要的干擾成分，水樣中含有氯離子會使測定結果偏高，出廠標配的C1試劑可以掩蔽1000mg/L以下的氯離子干擾，大于1000mg/L的氯離子含量，可稀釋后再測定；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">② 在測試時，Mn(Ⅲ)、Mn（Ⅵ）或Mn（Ⅶ）形成紅色物質，會引起正偏差，其500mg/L 的錳溶液（硫酸鹽形式）引起正偏差COD 值為1083mg/L，其 50mg/L的錳溶液（硫酸鹽形式）引起正偏差COD 值為121mg/L；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">③ 在酸性重鉻酸鉀條件下，一些芳香烴類有機物、吡啶等化合物難以氧化，其氧化率較低。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">④ 試樣中的有機氮通常轉化成銨離子,銨離子不被重鉻酸鉀氧化。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">⑤ 為了得到結果，對于氯離子濃度很高而COD濃度較小的樣品，請使用低量程測定。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>水樣氯離子的測定方法</strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">在試管中加入 2.00mL 試樣，再加入0.5mL 硝酸銀溶液，充分混合，后加入2滴鉻酸鉀溶液，搖勻，如果溶液變紅，氯離子溶液低于1000mg/L；如果仍為黃色，氯離子濃度高于1000mg/L。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">也可按【GB/T 11896 】方法測定水樣中氯離子的濃度。<span style="color:#000000">一般情況下，當COD值為50mg/L以上，氯離子濃度超過1000mg/L以上時，可采用稀釋法，用蒸餾水稀釋水樣使氯離子含量低于1000mg/L，再進行分析。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000"><img alt="" src="https://img69.chem17.com/gxhpic_d55d0c909a/07924b042b5596d584bec62c048ba5ca242c9190d91f8ee48a5e7a25e7a40f2715f31b12bf1d1504.jpg" style="height:800px; width:800px" /></span></span></span></p><p> 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