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11-trans-Octadecenoic acid
21β(H)-Hopane (mix
PAHs and PCBs from water
Organic Matrices (dry ash at 450 0C in Pt0 and dissolve oxide with HF)
EC HPLC column (analytical), NUCLEODUR HILIC, 5 µm, 100x3 mm ICP-63N-10X-0.5 11-trans-Octadecenoic acidSeparation science is always looking for new and effective strategies to accomplish the tasks of modern analytics. Especially for polar compounds reversed phase HPLC the most common analytical method is often limited. Here, hydrophilic stationary phases provide an additional tool for the separation of polar analytes in HPLC. HILIC is NP chromatography of polar and ionic compounds under RP conditions. The zwitterionic HILIC phase is based on high
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