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inherit"><span id="ShoveWebControl_Text3">氨氮臺式測定儀污水氨氮化驗方法</span></h1></b> </div> <div class="gljo9fygc" id="xn_c_prodv_26_wrap" class="xn_c_prodv_26_wrap"> <div id="gljo9fygc" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="gljo9fygc" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品型號：</span></span> <span id="gljo9fygc" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">JH-TN202</span></span> </div> <div id="gljo9fygc" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="gljo9fygc" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品時間：</span></span> <span id="gljo9fygc" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2024-07-14</span></span> </div> </div> <div class="gljo9fygc" id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">氨氮臺式測定儀污水氨氮化驗方法：</br>JH-TN202型氨氮快速測定儀測量方法符合國標GB 7479-87的規(guī)定,將GB7479-87規(guī)定的納氏試劑比色法與計算機技術(shù)結(jié)合起來，應(yīng)用微電腦光電子比色檢測原理取代傳統(tǒng)的目視比色法，消除了人為誤差，測量分辨率大大提高。實現(xiàn)了測定過程的自動化。</span></div> </div> <p></p> </dd> </dl> <div id="gljo9fygc" class="main_top3"><p>產(chǎn)品介紹</p></div> <div id="gljo9fygc" class="product1 pro_1"> <p><span style="font-size:16px"><span style="font-family:黑體"><strong>氨氮臺式測定儀污水氨氮化驗方法</strong>性能特點：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:rgb(90, 90, 90)"> </span>1.利用高亮度、長壽命冷光源，以及高穩(wěn)定的窄帶干涉光學(xué)系統(tǒng)，使儀器穩(wěn)定性、重復(fù)性高。<br />2.可各保存氨氮的標準曲線10條及500個測定值，斷電不丟失。<br />3.具有打印功能：可對測試的記錄立即打印或查詢記錄打印。<br />4.具有USB接口數(shù)據(jù)上傳功能，可把儀器存儲的數(shù)據(jù)記錄上傳至電腦保存或編輯打印。<br />5.LCD大屏液晶顯示，長壽命及低故障率，操作中文菜單顯示。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong> </strong><strong style="line-height:1.6em">N試劑配制</strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>N1-100試劑：</strong>將整瓶晶體粉末狀N1全部倒入燒杯中，加入無氨水，攪拌溶解后，定容至100ml，此溶液在4℃避光下可保存6個月。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>N2-100試劑：</strong>將整瓶片狀N2—N倒入燒杯中，加入50ml無氨水，攪拌溶解，充分冷卻至室溫。另將整瓶N2—KH粉末試劑全部倒入燒杯中，<strong>加入</strong><strong>10ml</strong><strong>無氨水</strong>，攪拌使其充分溶解，然后將此溶液在攪拌下徐徐注入充分冷卻的N2—N溶液中，用水稀釋至100ml，靜置5個小時以上，小心倒出上清液待用。此溶液儲存于棕色聚乙烯瓶中，用橡皮塞或聚乙烯蓋蓋緊，低溫冷藏儲存。如發(fā)現(xiàn)有大量沉淀或試劑顏色變深，對測定結(jié)果有很大影響，應(yīng)重新配制。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"> <img alt="" src="https://img70.chem17.com/gxhpic_d55d0c909a/4448be7ada874d0495b02896765b7de3633716ac1ed830475859f35adb7d527ac2f4fae99428cfdf.png" style="height:214px; width:233px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>氨氮臺式測定儀污水氨氮化驗方法</strong><span style="line-height:1.6em">技術(shù)參數(shù)：</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">1. 測量范圍：0.02～25mg/L（超過稀釋測定）<br />2. 示值誤差：≤±3%及0.2中大者<br />3. 重復(fù)性：≤3%<br />4. 光學(xué)穩(wěn)定性：儀器吸光值在20min內(nèi)漂移小于0.002A<br />5. 重量：4Kg<br />6. 外形尺寸： 340mm×250mm×130mm<br />7. 功耗＜10W</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img src="http://pmo81920b.pic35.websiteonline.cn/upload/g1n2.jpg" /> </span></span></p><h3><span style="font-size:16px"><span style="font-family:黑體"><strong>水樣的稀釋</strong></span></span></h3><p><span style="font-size:16px"><span style="font-family:黑體">對于清潔的樣品，可直接從中取10ml作為試份；對于含有懸浮物或色度深的樣品，在預(yù)處理后，再從中取10ml<span style="color:#000000">(或稀釋后取10ml)作</span>為試份。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>稀釋原則：應(yīng)將水樣在攪拌均勻時取樣稀釋，一般被取原水樣不少于10ml，如果稀釋倍數(shù)超過10倍則原水樣應(yīng)進行逐次稀釋。</strong></span></span></p><h3><span style="font-size:16px"><span style="font-family:黑體"><strong>測定過程</strong></span></span></h3><p><span style="font-size:16px"><span style="font-family:黑體"><strong>空白水樣： </strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">取10ml 無氨水加入清洗干凈的反應(yīng)管中，加1mL的N1試劑，混勻，加1mL的N2試劑，混勻，放置10分鐘后, 倒入10mm比色皿約2/3高度處等待測定。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>待測水樣：</strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="line-height:1.6em; text-align:center">針對不同氨氮濃度廢水的取水樣和試劑方法</span></span></span></p><table border="1" cellspacing="0" style="border-collapse:collapse; border:none; width:650px"><tbody><tr><td style="vertical-align:top; width:121px"><p><span style="font-size:16px"><span style="font-family:黑體">測定量（mg/L）</span></span></p></td><td style="vertical-align:top; width:105px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">取原樣(ml)</span></span></p></td><td style="vertical-align:top; width:114px"><p><span style="font-size:16px"><span style="font-family:黑體">補加無氨水(ml)</span></span></p></td><td style="vertical-align:top; width:104px"><p><span style="font-size:16px"><span style="font-family:黑體">加N1量（ml）</span></span></p></td><td style="vertical-align:top; width:104px"><p><span style="font-size:16px"><span style="font-family:黑體">加N2量（ml）</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">選擇曲線</span></span></p></td></tr><tr><td style="vertical-align:top; width:121px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">0至5</span></span></p></td><td style="vertical-align:top; width:105px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">10</span></span></p></td><td style="vertical-align:top; width:114px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">0</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">00</span></span></p></td></tr><tr><td style="vertical-align:top; width:121px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">5至10</span></span></p></td><td style="vertical-align:top; width:105px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">5</span></span></p></td><td style="vertical-align:top; width:114px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">5</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">01</span></span></p></td></tr><tr><td style="vertical-align:top; width:121px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">10至25</span></span></p></td><td style="vertical-align:top; width:105px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">2</span></span></p></td><td style="vertical-align:top; width:114px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">8</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">02</span></span></p></td></tr><tr><td style="vertical-align:top; width:121px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">25至50</span></span></p></td><td style="vertical-align:top; width:105px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:114px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">9</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">1</span></span></p></td><td style="vertical-align:top; width:104px"><p style="text-align:center"><span style="font-size:16px"><span style="font-family:黑體">03</span></span></p></td></tr><tr><td colspan="6" style="vertical-align:top; width:650px"><p style="margin-left:18.5000pt"><span style="font-size:16px"><span style="font-family:黑體"><strong>注意：</strong>為減小誤差，強烈建議氨氮濃度超過5mg/L的水樣用下面方法測定：</span></span></p><p style="margin-left:18.5000pt"><span style="font-size:16px"><span style="font-family:黑體"><strong>1.</strong>將原水樣先稀釋至氨氮濃度在5mg/L以內(nèi)，用00曲線量程（0至5 mg/L量程）方法測定，水樣氨氮濃度（mg/L）=顯示數(shù)值×稀釋倍數(shù)。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>2.</strong>稀釋原則：一般取被稀釋的原水樣不少于10mL，如果稀釋倍數(shù)超過10倍則原水樣應(yīng)進行逐次稀釋。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"> <img src="http://pmo81920b.pic35.websiteonline.cn/upload/5bxh.jpg" 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