液相Nova Pre系列SPE-HLB固相萃取柱
HLB亲水亲脂平衡填料由特殊的共聚合技术制备而成，含有特定比例的亲水基和疏水基。这种特性使得HLB填料既能有效地吸附水中的极性化合物，又能吸附非极性化合物。疏水性的二乙烯基苯结构保留非极性化合物，亲水性的N-乙烯基吡咯烷酮结构保留极性化合物。HLB对非极性至中等极性的酸性、中性、碱性化合物均有较好的回收率，特别适合血液、尿液和食物等复杂基质的处理。相比于硅胶材质，其优点在于具有更广泛的适用性，能够处理更多种类的化合物，同时表现出更高的回收率和更好的重现性。此外，HLB填料还具有良好的机械强度和化学稳定性，能够承受高压和多种有机溶剂的冲刷，从而延长了固相萃取柱的使用寿命。
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