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class="main_right"> <div id="eoskoy0kygyw" class="main_top1"> <p>您的位置：<a href="/">首頁(yè)</a> > <a href="/products.html" title="產(chǎn)品中心">產(chǎn)品中心</a> > <a href="/ParentList-1718102.html">水質(zhì)檢測(cè)儀器</a> > <a href="/SonList-1726687.html">四合一多參數(shù)水質(zhì)測(cè)定儀</a> > JH-TD502戶外便攜五合一水質(zhì)測(cè)量?jī)x水質(zhì)檢測(cè)儀 </p> <big>產(chǎn)品中心</big> </div> <div id="eoskoy0kygyw" class="clear"></div> <dl class="product_article"> <dt> <div id="eoskoy0kygyw" class="proimg_bk1"><a class="proimg1"><img src="http://img50.chem17.com/gxhpic_d55d0c909a/88c648add642a1ec2312777bd20a4f6f7ea6f6b8ff96422e2fd9236fa06c373598526165f9ccfa48.jpg"/></a></div> </dt> <dd deep="3"> <div class="eoskoy0kygyw" id="prod_gs" class="prod_gs"> <div id="eoskoy0kygyw" class="prod_view_name"> <strong class="prod_view_name_bt">產(chǎn)品名稱：</strong> <b><h1 style="font-size: inherit"><span id="ShoveWebControl_Text3">戶外便攜五合一水質(zhì)測(cè)量?jī)x水質(zhì)檢測(cè)儀</span></h1></b> </div> <div class="eoskoy0kygyw" id="xn_c_prodv_26_wrap" class="xn_c_prodv_26_wrap"> <div id="eoskoy0kygyw" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品型號(hào)：</span></span> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">JH-TD502</span></span> </div> <div id="eoskoy0kygyw" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品時(shí)間：</span></span> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2024-07-15</span></span> </div> </div> <div class="eoskoy0kygyw" id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">戶外便攜五合一水質(zhì)測(cè)量?jī)x水質(zhì)檢測(cè)儀：</br>該儀器是我公司專為監(jiān)測(cè)、監(jiān)理人員用于現(xiàn)場(chǎng)測(cè)定各種水樣指標(biāo)的儀器。本儀器具有自動(dòng)PID控溫、雙液晶顯示、交直流兩用、自動(dòng)調(diào)零、濃度直讀、曲線存儲(chǔ)、自動(dòng)打印等特點(diǎn)，儀器操作簡(jiǎn)便，人機(jī)交互式操作，使用者無(wú)需復(fù)雜的專業(yè)知識(shí)即可應(yīng)用本產(chǎn)品。</span></div> </div> <p></p> </dd> </dl> <div id="eoskoy0kygyw" class="main_top3"><p>產(chǎn)品介紹</p></div> <div id="eoskoy0kygyw" class="product1 pro_1"> <p><span style="font-size:16px"><span style="font-family:黑體"><strong>戶外便攜五合一水質(zhì)測(cè)量?jī)x水質(zhì)檢測(cè)儀</strong></span></span><span style="font-size:16px"><span style="font-family:黑體">產(chǎn)品概述<strong><span style="color:rgb(0, 0, 0)">：</span></strong>：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">.標(biāo)準(zhǔn)溶液（貯備液）配制方法：</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">稱取1.232g亞硝酸鈉（</span>NaNO?<span style="color:#000000">）溶于150ml水中，轉(zhuǎn)移至1000mL容量瓶中，用水稀釋至標(biāo)線，搖勻，本溶液濃度約250mg/L，使用時(shí)需標(biāo)定。該溶液貯于棕色瓶中，加入1ml三氯甲烷為保護(hù)劑，保存在2-5℃，至少可穩(wěn)定1個(gè)月。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">標(biāo)定方法：在300ml具塞錐形瓶中，移入50.00ml 0.050mol/L高錳酸鉀（</span>KMnO<sub>4</sub><span style="color:#000000">）溶液，5ml濃硫酸[</span>ρ（H<sub>2</sub>SO<sub>4</sub>）=1.84g/mL<span style="color:#000000">]，用50ml無(wú)分度吸管，使下端插入高錳酸鉀溶液液面下，加入50.00ml亞硝酸鈉標(biāo)準(zhǔn)貯備液，輕輕搖勻，置于水浴鍋上加熱至70～80℃，按每次10.00ml的量加入足夠的草酸鈉標(biāo)準(zhǔn)溶液，使紅色褪去并過(guò)量，記錄草酸鈉（</span>Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub><span style="color:#000000">）標(biāo)準(zhǔn)溶液用量（V2）。然后用高錳酸鉀標(biāo)準(zhǔn)溶液滴定過(guò)量的草酸鈉至溶液呈微紅色，記錄高錳酸鉀標(biāo)準(zhǔn)溶液總用量（V1）。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">高錳酸鉀標(biāo)準(zhǔn)溶液（1/5KMnO</span><sub><span style="color:#000000">4</span></sub><span style="color:#000000">，0.050mol/L）配制：溶解1.6g高錳酸鉀于1200ml水中，煮沸0.5～1小時(shí)，使體積減少到1000ml左右，放置過(guò)夜。用G-3號(hào)玻璃砂芯濾器過(guò)濾后，濾液貯存于棕色試劑瓶中避光保存，按上述方法標(biāo)定。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">草酸鈉標(biāo)準(zhǔn)溶液（1/2Na</span><sub><span style="color:#000000">2</span></sub><span style="color:#000000">C</span><sub><span style="color:#000000">2</span></sub><span style="color:#000000">O</span><sub><span style="color:#000000">4</span></sub><span style="color:#000000">，0.0500mol/L）配制：溶解經(jīng)105℃烘干2小時(shí)的優(yōu)級(jí)純無(wú)水草酸鈉3.350g于750ml水中，移入1000ml容量瓶中，稀釋至標(biāo)線。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">（2）.亞硝酸鹽氮標(biāo)準(zhǔn)中間液配制方法：吸取上述標(biāo)準(zhǔn)貯備溶液50ml于500ml的容量瓶?jī)?nèi)，用水稀釋至標(biāo)線，混勻，此溶液亞硝酸鹽氮濃度為25mg/L，隨時(shí)使用隨時(shí)配制。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">（3）.亞硝酸鹽氮標(biāo)準(zhǔn)使用液配制方法：吸取上述標(biāo)準(zhǔn)儲(chǔ)備溶液10ml于500ml的容量瓶?jī)?nèi)，用無(wú)氨水稀釋至標(biāo)線，混勻，此溶液亞硝酸鹽氮濃度為0.5mg/L，隨時(shí)使用隨時(shí)配制</span></span></span></p><p><img alt="" src="https://img70.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41fcd854d939f0ad520a18be623bbcdd96c5e515b083bc7383bd3c43a4e072d551c.jpg" style="height:750px; width:1000px" /></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">該儀器測(cè)定懸浮物的方法是采用分光光度法。本方法<span style="color:#000000">測(cè)定上限為500 mg/L。</span>對(duì)于濃度高于500mg/L的水樣，可以稀釋測(cè)定；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">1.濃度小于500mg/L的水樣：直接將水樣混勻倒入比色皿測(cè)定。顯示數(shù)值即水樣懸浮物濃度。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">2.濃度大于500mg/L的水樣：將混合均勻的水樣按整數(shù)倍稀釋至500mg/L以內(nèi)后，倒入比色皿測(cè)定；水樣懸浮物濃度（mg/L）=顯示數(shù)值×稀釋倍數(shù)。稀釋原則：一般取被稀釋的原水樣不少于50mL，如果稀釋倍數(shù)超過(guò)10倍則原水樣應(yīng)進(jìn)行逐次稀釋。</span></span></p><p><img alt="" src="https://img70.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41fcd854d939f0ad520e0402631615e956a7433617941d1948a99a1d696739176ef.jpg" style="height:750px; width:1000px" /></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>戶外便攜五合一水質(zhì)測(cè)量?jī)x水質(zhì)檢測(cè)儀</strong></span></span><span style="font-size:16px"><span style="font-family:黑體">技術(shù)參數(shù)：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:rgb(0, 0, 0)"> 消解數(shù)量：≤4支；</span><br /><span style="color:rgb(0, 0, 0)"> 溫度示值誤差：≤±1℃；</span><br /><span style="color:rgb(0, 0, 0)"> 溫場(chǎng)均勻性：≤2℃；</span><br /><span style="color:rgb(0, 0, 0)"> 消解時(shí)間示值誤差：≤±2%；</span><br /><span style="color:rgb(0, 0, 0)"> 曲線參數(shù)：可設(shè)定100條測(cè)量曲線參數(shù)；</span><br /><span style="color:rgb(0, 0, 0)"> 校準(zhǔn)：1-7點(diǎn)校正模式，自動(dòng)校正曲線值；</span><br /><span style="color:rgb(0, 0, 0)"> 時(shí) 鐘：內(nèi)置實(shí)時(shí)時(shí)鐘，實(shí)時(shí)時(shí)鐘月累積誤差小于10秒；</span><br /><span style="color:rgb(0, 0, 0)"> 記錄存儲(chǔ)：可存儲(chǔ)30000次測(cè)定結(jié)果，數(shù)據(jù)斷電不丟失；</span><br /><span style="color:rgb(0, 0, 0)"> 打 ?。鹤詭Т蛴C(jī)，隨時(shí)打印測(cè)量結(jié)果；</span><br /><span style="color:rgb(0, 0, 0)"> 通信方式：RS232，可將測(cè)量結(jié)果上傳至電腦，便于用戶統(tǒng)計(jì)分析；</span><br /><span style="color:rgb(0, 0, 0)"> 顯示：240*128大屏幕藍(lán)色背光顯示器，中文操作界面；</span><br /><span style="color:rgb(0, 0, 0)"> 環(huán)境溫度：（5～40）℃；環(huán)境濕度：相對(duì)濕度＜ 85%（無(wú)冷凝）；</span><br /><span style="color:rgb(0, 0, 0)"> 工作電源：AC220V±10% / 50Hz,DC 16V 鋰電池；</span><br /><span style="color:rgb(0, 0, 0)"> 外型尺寸：400*300*200mm，重量：8kg。</span></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>亞硝酸鹽氮試劑</strong></span></span></h3><p><span style="font-size:16px"><span style="font-family:黑體"> <strong><span style="color:#000000">試劑</span></strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong><span style="color:#000000">YN試劑</span></strong><span style="color:#000000">：將整瓶試劑全部溶解于100ml磷酸（1+9）溶液中，混勻。此溶液貯于棕色瓶中，保存在2～5℃，至少可穩(wěn)定1個(gè)月。</span><strong><span style="color:#000000">注意本試劑避免與皮膚直接接觸或吸入體內(nèi)。</span></strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong><span style="color:#000000">磷酸（</span></strong><strong><span style="color:#000000">1+9</span></strong><strong><span style="color:#000000">）</span></strong><span style="color:#000000">：將10ml磷酸緩慢倒入90ml蒸餾水中，并不斷攪拌。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"> <img alt="" src="https://img71.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41fcd854d939f0ad520e3d84743baba4cc39bf112912b9c9ace78a561ad86c13520.png" style="height:642px; width:849px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:rgb(0, 0, 0)"><img alt="" src="https://img47.chem17.com/gxhpic_d55d0c909a/87ca85b88f793ad372bc6e58d630154b1b8c65fb908e1ef3a62c5b74e1406e68d1941093d20f521f.jpg" style="height:513px; width:790px" /></span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">1、以上所述產(chǎn)品規(guī)格、圖片、資訊等僅供參考,如有更新, 請(qǐng)以實(shí)機(jī)為準(zhǔn)，恕不另行通知。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"> </span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">2、如果您的需求與其有所偏離,請(qǐng)致電</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"> </span></span></p> </div> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script 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