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name="_prodv_26_namewz">產(chǎn)品時(shí)間：</span></span> <span id="ydmkz1acle" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2024-07-14</span></span> </div> </div> <div class="ydmkz1acle" id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">測(cè)水質(zhì)儀器的使用方法工業(yè)測(cè)定儀器：</br>該產(chǎn)品將經(jīng)典的比色法與計(jì)算機(jī)技術(shù)結(jié)合起來(lái)，應(yīng)用微電腦光電子比色檢測(cè)原理取代傳統(tǒng)的目視比色法，，測(cè)量分辨率大大提高。實(shí)現(xiàn)了測(cè)定過(guò)程的自動(dòng)化。廣泛地應(yīng)用于廠礦企業(yè)排污口監(jiān)測(cè)、城市污水處理工廠進(jìn)出口監(jiān)測(cè)、江河湖泊水質(zhì)監(jiān)測(cè)和污水治理設(shè)施過(guò)程控制之中。</span></div> </div> <p></p> </dd> </dl> <div id="ydmkz1acle" class="main_top3"><p>產(chǎn)品介紹</p></div> <div id="ydmkz1acle" class="product1 pro_1"> <p><span style="font-size:16px"><span style="font-family:黑體"><strong>測(cè)水質(zhì)儀器的使用方法工業(yè)測(cè)定儀器</strong> <span style="color:rgb(0, 0, 0)">配制標(biāo)準(zhǔn)溶液</span>：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="line-height:1.6em"><span style="color:#000000">標(biāo)準(zhǔn)溶液也稱(chēng)為標(biāo)準(zhǔn)物質(zhì)，是模擬天然淡水成份基體，采用特殊工藝，在規(guī)定的環(huán)境中精確配制而成。其</span></span><span style="line-height:1.6em"><span style="color:#000000">亞硝酸鹽氮</span></span><span style="line-height:1.6em"><span style="color:#000000">的濃度是已知的。用戶(hù)可通過(guò)購(gòu)買(mǎi)或按照要求自行配制得到。標(biāo)準(zhǔn)溶液主要有以下幾個(gè)用途：</span></span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">① 對(duì)亞硝酸鹽氮測(cè)定儀的曲線(xiàn)進(jìn)行校準(zhǔn)；</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">② 對(duì)亞硝酸鹽氮測(cè)定的準(zhǔn)確度進(jìn)行檢驗(yàn)；</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">③ 對(duì)操作人員的分析過(guò)程進(jìn)行確認(rèn)與評(píng)價(jià)；</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">④ 對(duì)儀器的整個(gè)測(cè)量過(guò)程進(jìn)行質(zhì)量控制。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">（1）.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(chēng)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(xiàn)，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"><img alt="" src="https://img48.chem17.com/gxhpic_d55d0c909a/661bc51f81281965d0494bf5b0d3ebfe17eb2f37097c32976a4eafdb46176d41042ec57828bdbe88.jpg" style="height:750px; width:1000px" /></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"><strong>測(cè)水質(zhì)儀器的使用方法工業(yè)測(cè)定儀器</strong>技術(shù)參數(shù)：</span></span></p><p style="text-align:justify"><span style="font-size:16px"><span style="font-family:黑體">1、同時(shí)消解樣品數(shù)量：≤ 4支；<br />2、消解溫度控制范圍：≤200℃，時(shí)間控制范圍≤999分鐘，自動(dòng)定時(shí)；<br />3、曲線(xiàn)參數(shù)：每種指標(biāo)各可設(shè)定100條測(cè)量曲線(xiàn)參數(shù)；<br />4、數(shù)據(jù)存儲(chǔ)：可存儲(chǔ)30000條測(cè)量數(shù)據(jù)；<br />5、數(shù)據(jù)校準(zhǔn)：1-7點(diǎn)校正模式，自動(dòng)校正曲線(xiàn)值；<br />6、環(huán)境溫度：（5 ~ 40）℃；環(huán)境濕度：相對(duì)濕度＜ 85%（無(wú)冷凝）；<br />7、工作電源：AC 220V±10% / 50Hz；DC +16V鋰電池；<br />COD指標(biāo)<strong>：</strong><br />① 測(cè)定方法：快速催化法（鉻法）；<br />② COD高低量程雙波長(zhǎng)測(cè)定：5~150mg/L低波長(zhǎng)；100~10000mg/L,高波長(zhǎng)；<br />③ 測(cè)定范圍：5 ~ 10000 mg/L（＞1000 mg/L時(shí)分段或稀釋測(cè)量）；<br />④ 測(cè)量誤差：5~100 mg/L，誤差≤±5 mg/L;100 mg/L~10000 mg/L，相對(duì)誤差≤±5 %<br />⑤ 消解溫度：165 ± 1℃；消解時(shí)間：15分鐘；<br />⑥ 抗氯干擾：[CL-] ＜1000mg/ L；（＞1000mg/L稀釋測(cè)定）；<br />氨氮指標(biāo)<strong>：</strong><br />① 測(cè)定方法：納氏比色法；<br />② 測(cè)定范圍：0.01mg/L～50mg/L；<br />③ 測(cè)量誤差：≤±5 %<br />總磷指標(biāo)<strong>：</strong><br />① 測(cè)定方法：鉬酸銨分光光度法；<br />② 測(cè)定范圍：0.01mg/L～24mg/L；測(cè)量誤差：≤±5 %；<br />③ 消解溫度：120 ± 1℃；消解時(shí)間：30分鐘；<br />總氮指標(biāo)<strong>：</strong><br />① 測(cè)定方法：光度比色法；<br />② 測(cè)量范圍：≤ 100mg/L；測(cè)量誤差：≤±5 %<br />③ 消解溫度：125± 1℃；消解時(shí)間：30分鐘</span></span></p><p style="text-align:justify"><span style="font-size:16px"><span style="font-family:黑體">注：此款產(chǎn)品可做COD、氨氮、總磷、總氮任意指標(biāo)結(jié)合的二合一、三合一型檢測(cè)儀</span></span></p><p style="text-align:justify"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img47.chem17.com/gxhpic_d55d0c909a/661bc51f81281965d0494bf5b0d3ebfebadcbeb481fec2fb0046da21067439ccf1ef9805a50aeb35.jpg" style="height:750px; width:1000px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong><span style="color:#000000">其他事項(xiàng)：</span></strong></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">1.</span> <span style="color:#000000">如果水樣顏色對(duì)光的吸收帶在680nm波長(zhǎng)時(shí)，對(duì)濁度測(cè)定產(chǎn)生干擾；對(duì)于高色度廢水，可使用過(guò)濾后的樣品代替蒸餾水作為空白，消除顏色帶來(lái)的干擾。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">2.</span> <span style="color:#000000">氣泡對(duì)濁度測(cè)定有明顯干擾，可使用排氣工具或者超聲波容器除去氣泡。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">3.</span> <span style="color:#000000">改變樣品的溫度，對(duì)濁度可能產(chǎn)生干擾，樣品采集后應(yīng)立即進(jìn)行測(cè)定，須在與原始樣品相同的溫度下測(cè)定。</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#000000">4.</span> <span style="color:#000000">檢測(cè)后產(chǎn)生的廢液必須集中存儲(chǔ)，送往有資質(zhì)的單位進(jìn)行處理，為避免污染環(huán)境，請(qǐng)勿隨意傾倒。</span></span></span></p><p><img alt="" src="https://img47.chem17.com/gxhpic_d55d0c909a/661bc51f81281965d0494bf5b0d3ebfe30944a831349155558fe07f3c2062ef3999788b3bcb2af0d.jpg" style="height:750px; width:1000px" /></p><p style="text-align:justify"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img50.chem17.com/gxhpic_d55d0c909a/87ca85b88f793ad3b84171c6b6168b8d0298201149ea43ad7c95ddeffca0efcbde19c96ba0682991.jpg" style="height:513px; 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