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class="box_right_title"><span>Technical articles</span>技術文章</div> <div class="bt_text_y"><span><a href="/">首頁</a> > 技術文章</span></div> </div> <section id="List4"> <div class="newsList newsList2"> <ul class="ul1"> <li class="wow fadeInUp" data-wow-delay="0.0s"> <div class="time"><span>2022</span><time>9-2</time></div> <div class="img"><img src="http://img65.chem17.com/3/20220902/637977293036208967952.jpg" alt="大孔離子交換樹脂的離子交換容量有哪些表示方式"></div> <div class="text"> <a href="/Article-3123057.html" class="eill">大孔離子交換樹脂的離子交換容量有哪些表示方式</a> <p>離子交換樹脂是一種不溶于水的高分子化合物，外觀上是一些直徑小的淡黃色或咖啡色的小球。微觀上是一種立體網狀結構的骨架；骨架上聯結著交換基團，交換基團中含有能解離的離子。大孔離子交換樹脂內部的孔隙又多又大，表面積很大，活性中心多，離子擴散速度快，離子交換速度也快很多，約比凝膠型樹脂快約十倍。使用時的作用快、效率高，所需處理時間縮短。還有多種優...</p> </div> </li> <li class="cc wow fadeInUp" data-wow-delay="0.0s"> <div class="time"><span>2023</span><time>3-22</time></div> <div class="text"> <a href="/Article-3304668.html" class="eill">大孔吸附樹脂的使用流程包括哪些步驟</a> <p>大孔吸附樹脂是化學分離和提純操作中廣泛使用的介質之一，其主要作用是在溶液中將目標物質快速和高效地吸附和分離出來。通過其尺寸和化學特性調節對不同目標物質的親和力，利用吸附原理將目標物質從復雜的溶液中分離出來。不同的吸附樹脂對不同的物質具有不同的親和力，因此可以實現對多種物質的選擇性吸附。還具有較大的孔徑，能夠吸附大分子化合物和高分子物質，從而實現對大分子的高效分離和提純。大孔吸附樹脂的使用流程包括樣品預處理、樹脂平衡、樣品處理、樹脂再生等多個步驟。具體操作如下：1.樣品預處理首...</p> </div> </li> <li class="cc wow fadeInUp" data-wow-delay="0.0s"> <div class="time"><span>2023</span><time>3-14</time></div> <div class="text"> <a href="/Article-3295807.html" class="eill">大孔酚醛樹脂的使用流程一般分為以下四個步驟</a> <p>大孔酚醛樹脂是一種有機高分子材料，主要作用是吸附和分離物質。它具有高度的孔隙率和孔徑，龐大的表面積，可以將液相中的有機物、無機物等分離吸附出來。由于它的孔徑大，也可以容納較大分子的物質。此外，也可以作為催化劑，在化學反應中起到催化作用。大孔酚醛樹脂的應用領域：1.萃取分離領域：可以用于制備各種各樣的萃取劑，用于吸附和分離物質。2.催化領域：可以用于氧化、還原、加氫、脫氫、酸堿催化等化學反應中，起到催化作用。3.生物技術領域：可以用于生物技術的分離、純化、檢測等方面。4.環保領...</p> </div> </li> <li class="cc wow fadeInUp" data-wow-delay="0.0s"> <div class="time"><span>2023</span><time>2-24</time></div> <div class="text"> <a href="/Article-3277485.html" class="eill">軟化水樹脂的使用壽命會受到哪些因素影響？</a> <p>軟化水樹脂是用于硬水軟化的一款樹脂，可以去除水中的鈣鎂離子，達到軟化水的目的。工作原理：指離子交換樹脂中離子與溶液中離子之間的交換反應過程。如溶液中的某種離子取代了離子交換劑上的可交換離子，當它吸入時，交換劑上的可交換離子進入溶液。水中的鈣鎂離子(硬度成分)與軟化樹脂中鈉離子的交換反應稱為水的離子軟化。軟化水樹脂的使用壽命會受到哪些因素影響？1、由于原水管路通常為碳鋼管道，水與管路發生氧化反應，生成鐵離子，進入樹脂后樹脂的功能交換基團隨著運行時間的延長而下降，其表現為耗鹽量高...</p> </div> </li> <li class="cc wow fadeInUp" data-wow-delay="0.0s"> <div class="time"><span>2023</span><time>2-13</time></div> <div class="text"> <a href="/Article-3264993.html" class="eill">大孔離子交換樹脂的用途非常廣泛</a> <p>大孔離子交換樹脂是苯乙烯或丙烯酸、丙烯酯，通過聚合反應生成的三維空間體網狀結構的基因，再在基因上導入不同類型的化學活性團而合成的不溶性高分子球形顆粒狀聚合物。分為陽離子樹脂和陰離子樹脂兩大種類，陽離子樹脂又分為強酸性樹脂和弱酸性樹脂兩類，陰離子樹脂又分為強堿性樹脂和弱堿性樹脂兩類。大孔離子交換樹脂的用途非常廣泛：1、藥物及其中間體的提取分離在藥物及其中間體的化學或生物合成中，吸附樹脂也得到了廣泛的應用。2、天然產物的分離提取大孔吸附樹脂在天然產物提取方面的應用非常廣泛，如甜菊...</p> </div> </li> <li class="cc wow fadeInUp" data-wow-delay="0.0s"> <div class="time"><span>2022</span><time>10-21</time></div> <div class="text"> <a href="/Article-3169953.html" class="eill">強酸性離子交換樹脂的離子交換容量有以下幾種表現方法</a> <p>強酸性離子交換樹脂是一類帶有功能基的網狀結構的高分子化合物，由不溶性的三維空間網狀骨架、連接在骨架上的功能基團和功能基團上帶有相反電荷的可交換離子三部分構成。離子膠樹脂可分為陽離子交換樹脂、陰離子交換樹脂和兩性交換樹脂。強酸性離子交換樹脂基體的組成：基體制造原料主要有苯乙烯和丙烯酸(酯)兩大類，分別與交聯劑二乙烯苯產生聚合反應，形成具有長分子主鏈及交聯橫鏈的網絡骨架結構的聚合物。苯乙烯系樹脂是先使用的，丙烯酸系樹脂則用得較后。這兩類樹脂的吸附性能都很好，但有不同特點。丙烯酸系...</p> </div> </li> </ul> </div> </section> <div class="cl"></div>  <div id="Pagination"> <div class="wack1"> <div class="pz_fy hidden-xs hidden-sm"> 共 52 條記錄，當前 1 / 9 頁首頁上一頁 <a href="/article-p2.html">下一頁</a> <a href="/article-p9.html">末頁</a> 跳轉到第<input style="width:20px" class="p_input" type="text" name="custompage" id="custompage" onkeypress="return event.keyCode>=48&&event.keyCode<=57" onKeyDown="if(event.keyCode==13) {window.location='/article-p'+this.value; return false;}">頁 <input type="button" value="GO" style="width:40px;height:22px" onclick="window.location='/article-p'+document.getElementById('custompage').value;" /> </div> </div> </div>  </div> </div> </div> <div class="clearfix"></div>  <div class="pc_foot"> <div class="pc_ft_main 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