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class="inside_rnewcon"> <div>　　<strong><a href="http://www.renoscrapbooking.com/Products-16939004.html" target="_blank">PPM 150多參數水質分析儀</a></strong>主要采用離子選擇性電極測量方法，實現準確的檢測，可選擇測定鉀、鈉、鈣、鎂、氯化物、硫酸鹽、礦化度、砷、汞、六價鉻、鎘、鉛、銀、氟化物、鐵、錳、銅、鋅、重碳酸鹽、碳酸鹽等組分和參數。儀器廣泛應用于發電廠、純凈水廠、自來水廠、生活污水處理廠、飲料廠、環保部門、工業用水、水產業、紡織業、制酒行業及制藥行業、防疫部門、醫院等部門的各離子參數測定。<br /> </div><div>　　該產品采用的方法簡單、快速、準確，在水質監測中得到了廣泛的應用，該方法采樣量小，消解率高，適用于大容量水樣的測定，特別適用于綜合污水處理廠，使用環境監測站、企業等更多的水樣。實驗中使用的cod試管不需要用洗滌劑清洗，一般先用自來水沖洗，再用蒸餾水干燥備用，以防洗滌劑粘附在內壁，影響試驗結果。<br /> </div><div>　　內部電極液和樣本間的離子濃度差會在工作電極的膜兩邊產生電化學電壓，電壓通過高傳導性的內部電極引到到放大器，參考電極同樣引到放大器的地點。通過檢測一個準確的已知離子濃度的標準溶液獲得定標曲線，從而檢測樣本中的離子濃度。<br /> </div><div>　　溶液中被測離子接觸電極時，在離子選擇電極基質的含水層內發生離子遷移。遷移的離子的電荷改變存在著電勢，因而使膜面間的電位發生變化，在測量電極與參比電極間產生一個電位差。<br /> </div><div>　　豪納特生產氟離子、硝酸鹽氮、PH、水硬度(Ca 2+、Mg 2+離子)、鉀離子、鈉離子、氯離子等多參數(多項)廠家國內較少。</div> </div> <div class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a href="/Article-822093.html">介紹一下小型河涌水質自動監測站管路、管路清洗的設計</a></b></p> <p id="newsnext">下一篇：<b class="newsnext"><a 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