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class="mcon"> <div class="dqwz"><b>當前位置：</b><a href="http://www.nahini.com/">首頁</a>><a href="http://www.nahini.com/jishu/">技術百科</a>> 正文</div> <h1>快速判斷聚丙烯酰胺陰離子陽離子的型號</h1> <div class="info" id="artinfo">發布時間：<span>2021-04-21</span> </div> <p> <span style="font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Tahoma, Arial, sans-serif; font-size: 14px;"><p>聚丙烯酰胺有三種離子型，即陽離子型、陰離子型和非離子型。不同離子型聚丙烯酰胺的作用也不同。因為陰離子型聚丙烯酰胺和陽離子型聚丙烯酰胺應用廣泛，很多客戶不明白如何區分，但可以理解，因為無論哪種類型的離子型聚丙烯酰胺從外觀上都是同樣的白色顆粒，如何區分陰離子型聚丙烯酰胺和陽離子型聚丙烯酰胺？聚丙烯酰胺制造商將解釋如何看聚丙烯酰胺是陰離子還是陽離子。</p><p style="text-align: center;"><img src="/uploads/image/20210421/1618974965635622.png" title="快速判斷聚丙烯酰胺陰離子陽離子的型號" alt="快速判斷聚丙烯酰胺陰離子陽離子的型號" width="597" height="556" style="width: 597px; height: 556px;"/></p><p>1. 測試pH值大小來判斷：</p><p><br/></p><p>將聚丙烯酰胺按一定比例溶解到水溶液中后，通過測試聚丙烯酰胺水溶液的pH值來判斷。由于不同類型聚丙烯酰胺的pH值不同，該方法可用于鑒定聚丙烯酰胺的性能。但由于不同廠家的生產工藝不同，會有細微的偏差，也可以通過生產過程中測定pH值來判斷。</p><p><br/></p><p>2. 從溶解時間來看：</p><p><br/></p><p>由于不同類型的聚丙烯酰胺在水中完全溶解的時間不同，可以通過溶解時間的不同來判斷。溶解時間由短到長：陰離子聚丙烯酰胺<非離子聚丙烯酰胺<陽離子聚丙烯酰胺。陰離子聚丙烯酰胺的溶解時間約為30分鐘，非離子聚丙烯酰胺的溶解時間約為40分鐘，陽離子聚丙烯酰胺的溶解時間約為60分鐘。因此，聚丙烯酰胺的類型可以大致從溶解時間來區分。</p><p><br/></p><p>3. 從混合添加來看：</p><p><br/></p><p>經常接觸聚丙烯酰胺的客戶大概都知道，陰離子聚丙烯酰胺和陽離子聚丙烯酰胺是不能混合的，因為混合添加會產生很強的反應效果，因為正負電荷接觸會形成棉絮狀物，聚丙烯酰胺水溶液會變成絮狀物渾濁的。這種方法適用于已知聚丙烯酰胺離子類型的使用，因為這種方法比較準確，所以有條件的客戶可以用這種方法進行判斷，如果你想更確定，可以讓聚丙烯酰胺廠家把檢測結果說清楚。</p><p><br/></p><p>4. 通過對污水反應的判斷：</p><p><br/></p><p>通過對污水中不同離子類型聚丙烯酰胺的反應，可以清晰地判斷聚丙烯酰胺的類型。陰離子型聚丙烯酰胺一般適用于懸浮物濃度高、帶正電荷、pH值為中性或堿性的廢水。陽離子聚丙烯酰胺適用于污水中帶負電荷的懸浮物。非離子型聚丙烯酰胺適用于含無機和有機混合懸浮物、pH值為中性或酸性的廢水。</p><p>以上四種判斷方法可以判斷不同離子聚丙烯酰胺的種類、聚丙烯酰胺的種類和分子量、離子度等詳細信息。建議購買時詢問廠家，以便更準確。</p><p><br/></p></span></p> <div class="prenext"> <div class="yunu-infocontent-return"> 本文標簽：<a href="http://www.nahini.com/tag/panduanjubingxixiananxinghao">判斷聚丙烯酰胺型號</a><a href="http://www.nahini.com/tag/panduanyinlizijubingxixianan">判斷陰離子聚丙烯酰胺</a><a 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