Columns, YMC, General Chromatography Columns, Nucleic Acid Sample Preparation
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C8 is the most commonly used column type following C18. YMC Octyl columns are prepared from exhaustive bonding of a monomeric octylsilane to totally spherical and porous silica gels. The functionalized silica is then treated with a endcapping process. This produces a moderate 10% carbon loading on…
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All phases in the Pro-family are ideal for the analysis of all types of organic molecules but specifically basic and metal chelating compounds. The ultrapure silica and very low residual silanol activity means that these columns frequently do not require the use of ion-pairing reagents or…
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The choice of columns for analysis of difficult compounds by HPLC YMC-Pack Pro C18 columns start with a tightly controlled, highly purified silica gel, followed by a high-coverage C18 bonding and finish with a unique endcapping procedure utilizing Lewis acid-Lewis base chemistry. 2 µm particle size…
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Pro C18 RS has excellent peak shape for the separation of basic compounds because of high quality end capping. Pro C18 RS has high recognition of stereoselectivity because of high carbon polymeric type bonding. Pro C18 RS can be used over a wide pH range (1-10) to aid in method development. …
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YMC-Triart C18 is a hybrid silica-based ODS column emphasizing durability, low operating pressure, and excellent performance. YMC-Triart C18 has been developed and is manufactured using state-of-the-art technologies that define materials, granulation, and surface modification. Application: For…
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In a reversed-phase mode, Cyano columns are the most polar and least retentive of all reversed-phase packings. Extremely hydrophobic compounds, which do not elute on standard C18 and C8 packings with typical reversed-phase eluents, can be chromatographed using Cyano columns. In addition, the unique…
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YMC-Pack TMS columns are bonded with trimethylmonochlorosilane to create a phase with intermediate polarity for analysis of extremely hydrophobic compounds using conventional reversed-phase solvents and highly polar compounds using highly aqueous solvents. The unique chemistry of TMS is also…
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Pro C18 RS has excellent peak shape for the separation of basic compounds because of high quality end capping. Pro C18 RS has high recognition of stereoselectivity because of high carbon polymeric type bonding. Pro C18 RS can be used over a wide pH range (1-10) to aid in method development. High…
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J'sphere offers a choice from three kinds of ODS made from the same silica gel base, each with different ligand coverage. Differences in ligand coverage considerably affect the hydrophobic retention behavior of solutes, as well as the separation behavior resulting from solute functional groups or…
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C8 is the most commonly used column type following C18. YMC Octyl columns are prepared from exhaustive bonding of a monomeric octylsilane to totally spherical and porous silica gels. The functionalized silica is then treated with a endcapping process. This produces a moderate 10% carbon loading on…
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YMC-Actus series are semi-preparative HPLC columns that have excellent column durability and efficiency by applying axial compression technology. YMC-Actus series columns show high durability under high flow rate or steep gradient conditions and desirable for milligram scale preparative HPLC of…
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J'sphere offers a choice from three kinds of ODS made from the same silica gel base, each with different ligand coverage. Differences in ligand coverage considerably affect the hydrophobic retention behavior of solutes, as well as the separation behavior resulting from solute functional groups or…
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Hydrosphere C18 is designed to maintain adequate hydrophilicity on the packing surface for superior separation of hydrophilic compounds. Hydrophilic compounds are retained with much greater affinity than with conventional ODS columns, permitting the product to be used with 100% water eluent, a…
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YMC Carotenoid is a silica-based reversed-phase column chemically bonded with a triacontyl (C30) group, and is useful for separating geometric isomers of carotenoids. It is useful as a column with different separation selectivity when it is difficult to separate compounds other than carotenoids…
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PolymerC18 is a C18 column made from methacrylate polymer. It has excellent pH stability and it is useful for separation of basic compounds because there are no silanol or metal impurities to cause secondary interaction. Since p electrons of the carbonyl group or the hydroxyl group on the surface…
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J'sphere offers a choice from three kinds of ODS made from the same silica gel base, each with different ligand coverage. Differences in ligand coverage considerably affect the hydrophobic retention behavior of solutes, as well as the separation behavior resulting from solute functional groups or…
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ODS-A in 120Å pore size is the first choice of many chromatographers for high performance reversed phase separations. It has selectivity for the separation of a wide range of organic compounds found in pharmaceutical, chemical and biotechnology industries. ODS-A is a high coverage, fully endcapped…
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YMC-Pack PVA-Sil, bonded with a monomolecular polymer coating of vinyl alcohol (PVA), completely covers both external and internal surfaces of the silica support, protecting it against aggressive, high pH buffers and solvents. The PVA polymer shell on PVA-Sil deactivates the silica support while…
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All phases in the Pro-family are ideal for the analysis of all types of organic molecules but specifically basic and metal chelating compounds. The ultrapure silica and very low residual silanol activity means that these columns frequently do not require the use of ion-pairing reagents or…
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All phases in the Pro-family are ideal for the analysis of all types of organic molecules but specifically basic and metal chelating compounds. The ultrapure silica and very low residual silanol activity means that these columns frequently do not require the use of ion-pairing reagents or…
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C8 is the most commonly used column type following C18. YMC Octyl columns are prepared from exhaustive bonding of a monomeric octylsilane to totally spherical and porous silica gels. The functionalized silica is then treated with a endcapping process. Application: For Anti-Human Immunodeficiency…
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YMC America column coupler is a single- and double-end connector. Stainless tube 50 mm×1, male nut×2, ferrule×2)
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YMC-Pack C4 (Butyl) columns are less hydrophobic than C8 or C18 packings, and generally utilize more aqueous eluents than either of these reversed phase column types. When compared to C8 and C18 columns using the same eluent, C4 columns show significantly shorter retention for non-polar compounds.…
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YMC-Pack Polyamine II is a silica-based packing bonded with polyamine. It is particularly useful for separation of sugars. The column life of YMC-Pack Polyamine II in aqueous mobile phase is longer than conventional silica-based amino columns, and thus is applicable to separation of…
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In a reversed-phase mode, Cyano columns are the most polar and least retentive of all reversed-phase packings. Extremely hydrophobic compounds, which do not elute on standard C18 and C8 packings with typical reversed-phase eluents, can be chromatographed using Cyano columns. In addition, the unique…
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Phenyl columns provide unique selectivity when compared to aliphatic straight chain reversed phases such as ODS, C8 and C4. The p electrons of the phenyl group can interact with the aromatic ring of an analyte to increase retention relative to non-aromatic species. Phenyl also has application as an…
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Phenyl columns provide unique selectivity when compared to aliphatic straight chain reversed phases such as ODS, C8 and C4. The p electrons of the phenyl group can interact with the aromatic ring of an analyte to increase retention relative to non-aromatic species. Phenyl also has application as an…
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YMC Carotenoid is a silica-based reversed-phase column chemically bonded with a triacontyl (C30) group, and is useful for separating geometric isomers of carotenoids. It is useful as a column with different separation selectivity when it is difficult to separate compounds other than carotenoids…
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Handy connector 2 resists pressure to ca. 42 MPa. Handy connector 2 is suitable for connection to the injection side of a column, to which high pressure is applied. It is also useful for connection of a guard column or a precolumn filter. Be aware that Handy connector 2 cannot be connected to"…
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YMC-Pack C4 (Butyl) columns are less hydrophobic than C8 or C18 packings, and generally utilize more aqueous eluents than either of these reversed phase column types. When compared to C8 and C18 columns using the same eluent, C4 columns show significantly shorter retention for non-polar compounds.…
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C8 is the most commonly used column type following C18. YMC Octyl columns are prepared from exhaustive bonding of a monomeric octylsilane to totally spherical and porous silica gels. The functionalized silica is then treated with a endcapping process. Application: For Anti-Human Immunodeficiency…
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In a reversed-phase mode, Cyano columns are the most polar and least retentive of all reversed-phase packings. Extremely hydrophobic compounds, which do not elute on standard C18 and C8 packings with typical reversed-phase eluents, can be chromatographed using Cyano columns. In addition, the unique…