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href="/article.html">技術(shù)文章</a> > 如何確保固相萃取裝置正確的安裝和有效運行呢？</span></div> </div> <div id="jdnklxzm" class="pro_photo"> <div><h1>如何確保固相萃取裝置正確的安裝和有效運行呢？</h1></div> <div id="jdnklxzm" class="pro_details_tongji"> 　更新時間：2023-11-21　點擊量：<span id="Click">352</span> </div> <div id="jdnklxzm" class="n_con" id="c_detail_wrap"> <div>　　<strong>固相萃取裝置</strong>是一種用途廣泛而且越來越受歡迎的樣品前處理技術(shù)，它建立在傳統(tǒng)的液-液萃取(LLE)基礎(chǔ)之上，結(jié)合物質(zhì)相互作用的相似相溶機理和目前廣泛應(yīng)用的HPLC、GC中的固定相基本知識逐漸發(fā)展起來的。SPE具有有機溶劑用量少、便捷、安全、高效等特點。</div><div>　　固相萃取裝置使液體樣品溶液通過吸附劑，保留其中被測物質(zhì)，再選用適當(dāng)強度溶劑沖去雜質(zhì)，然后用少量溶劑迅速洗脫被測物質(zhì)，從而達(dá)到快速分離凈化與濃縮的目的。目前國內(nèi)主要應(yīng)用在水中多環(huán)芳烴（PAHs）和多氯聯(lián)苯（PCBs）等有機物質(zhì)分析，水果、蔬菜及食品中農(nóng)藥和除草劑殘留分析，抗生素分析，臨床藥物分析等方面。</div><div>　　安裝<strong><a href="http://segma.com.cn/Products-31439905.html" target="_blank">固相萃取裝置</a></strong>時，需要注意以下幾個技巧，以確保正確安裝和有效運行：</div><div>　　1、選擇適當(dāng)?shù)奈恢茫哼x擇一個穩(wěn)定、平整、通風(fēng)良好的位置來安裝。避免將其放置在潮濕、高溫或有振動的環(huán)境中，以防止對裝置和樣品的影響。</div><div>　　2、連接適當(dāng)?shù)碾娫矗焊鶕?jù)電源要求，正確連接電源線。確保電源穩(wěn)定，并符合設(shè)備的額定電壓和頻率要求。</div><div>　　3、連接進(jìn)出樣口：根據(jù)設(shè)計，正確連接進(jìn)樣口和出樣口。確保連接緊密，避免樣品泄漏或污染。</div><div>　　4、安裝適當(dāng)?shù)墓艿篮烷y門：根據(jù)要求，安裝適當(dāng)?shù)倪M(jìn)樣管道、排液管道和閥門。選擇合適的材質(zhì)和規(guī)格，以確保樣品流動的順暢和有效。</div><div>　　5、校準(zhǔn)儀器參數(shù)：在安裝完成后，根據(jù)操作手冊，對儀器進(jìn)行參數(shù)校準(zhǔn)。這包括校準(zhǔn)流速、溫度、壓力等參數(shù)，以確保儀器運行的準(zhǔn)確性和可靠性。</div><div>　　6、進(jìn)行漏電保護(hù)：為了確保操作人員的安全，安裝時應(yīng)考慮漏電保護(hù)措施?？梢允褂寐╇姳Ｗo(hù)開關(guān)或接地保護(hù)裝置，以提供額外的安全保障。</div><div>　　7、進(jìn)行設(shè)備測試和驗證：安裝完成后，進(jìn)行設(shè)備測試和驗證，確保正常工作。這包括運行空載測試、檢查泄漏情況、驗證參數(shù)準(zhǔn)確性等。</div><div>　　8、培訓(xùn)操作人員：在安裝完成后，對操作人員進(jìn)行培訓(xùn)，確保他們了解正確使用方法和安全操作規(guī)程。這有助于減少操作錯誤和事故的發(fā)生。</div><div>　　9、定期維護(hù)和保養(yǎng)：安裝完成后，建立定期的維護(hù)和保養(yǎng)計劃。這包括清潔設(shè)備、更換耗材、校準(zhǔn)儀器、檢查閥門和管道等，以確保正常運行和延長使用壽命。</div> 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