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<p>Tailored for precision-driven chemical tasks, pre-column systems for HPLC, such as the Hplc Guard Columns (Analytical) Nucleodur ® C 8 Ec, 5 μm, 4 x 5 mm, play a crucial role in protecting your main HPLC column from contamination. Featuring medium density monomeric octyl (C 8 ) modification, these guard columns offer a specific surface area of 340 m²/g and a pore size of 110 Å, ensuring optimal separation performance. With a particle size of 5 μm and a pressure stability of up to 600 bar, they are designed to withstand high pressures while maintaining their integrity. The columns' temperature stability extends up to 60°C, making them suitable for a wide range of analytical applications. To further enhance your chromatography lab, explore</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>pH stability:</strong> 1.0 - 11.0</li> <li><strong>Particle size:</strong> 5 µm</li> <li><strong>Temperature stability:</strong> 60 ° C</li> <li><strong>L x Ø internal (column):</strong> 4 x 5 mm</li> <li><strong>Carbon content:</strong> 10.5 %</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Column inner diameter:</strong> 5 mm</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Surface chemistry:</strong> Medium density monomeric octyl (C 8 , MOS) modification</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Pressure stability:</strong> 600 bar</li> </ul>
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<p>Intended for structured formulation workflows, pre-column systems such as the Hplc Guard Columns (Analytical) Nucleodur ® C 18 Pyramid, 3 μm, 4 x 3 mm play a crucial role in protecting your main HPLC column from contamination. With a pore size of 110 Å, these fully porous particles (FPP) offer a specific surface area of 340 m²/g, ensuring efficient filtration and extended column lifespan. The reversed phase (RP) separation principle, combined with polar endcapping and octadecyl (C 18, ODS) modification, ensures optimal performance under a wide pH range of 1.0-9.0. The guard columns' pressure stability of up to 600 bar allows for high-performance liquid chromatography applications while maintaining a</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Particle size:</strong> 3 µm</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Surface chemistry:</strong> Octadecyl (C 18 , ODS) modification, Polar endcapping</li> <li><strong>pH stability:</strong> 1,0-9,0</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Carbon content:</strong> 14 %</li> <li><strong>Column inner diameter:</strong> 3 mm</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>L x Ø internal (column):</strong> 4 x 3 mm</li> </ul>
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<p>Developed for demanding processing applications, pre-column systems for HPLC such as the HPLC Guard Columns (Analytical) Nucleodur ® Hilic offer essential protection for your main HPLC column. With a particle size of 3 μm and a pore size of 110 Å, these short columns feature fully porous particles (FPP), ammonium – sulfonic acid (zwitterionic) modification, and a specific surface area of 340 m²/g according to BET. Designed for hydrophilic interaction chromatography (HILC), they boast a pressure stability of 600 bar and a temperature stability of 60 °C. Ideal for use with acetonitrile – water eluents, these guard columns ensure optimal performance and longevity for your main HPLC column.</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Endcapped:</strong> no</li> <li><strong>Temperature stability:</strong> 60 ° C</li> <li><strong>L x Ø internal (column):</strong> 4 x 2 mm</li> <li><strong>Particle size:</strong> 3 µm</li> <li><strong>Carbon content:</strong> 7 %</li> <li><strong>Surface chemistry:</strong> Ammonium – sulfonic acid (zwitterionic) modification</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Column inner diameter:</strong> 2 mm</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Separation principle:</strong> Hydrophilic Interaction Chromatography (HILIC)</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>pH stability:</strong> 2,0-8,5</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> </ul>
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<p>Optimized for controlled laboratory processes, the Hplc Guard Columns (Analytical) Nucleodur ® Π 2, 5 μm, 4 x 3 mm are designed to protect your main HPLC column from contamination during liquid chromatography analysis. Featuring fully porous particles (FPP), a biphenylpropyl modification surface chemistry, and a pore size of 110 Å, these guard columns effectively filter out chemical impurities before they reach the main column, extending its lifespan. With a specific surface area of 340 m²/g, a pH stability range of 3.0-10.0, and a pressure stability of up to 600 bar, these guard columns ensure reliable performance under various conditions. Ideal for analytical applications, these pre-column systems for HPLC are part of a comprehensive offering</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>Surface chemistry:</strong> Biphenylpropyl modification</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>pH stability:</strong> 3,0-10,0</li> <li><strong>Carbon content:</strong> 17 %</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>L x Ø internal (column):</strong> 4 x 3 mm</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Particle size:</strong> 5 µm</li> <li><strong>Column inner diameter:</strong> 3 mm</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> </ul>
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<p>Widely applied in chemical workflows, the Hplc Guard Columns (Analytical) Nucleoshell ® RP 18Plus, featuring a 5 µm particle size and a 4 x 2 mm internal dimension, serve as essential pre-column systems for high-performance liquid chromatography (HPLC). These guard columns, constructed with monomeric octadecyl (C18, RP18, ODS) modified core-shell, superficially porous particles (SPP), offer polar selectivity and a specific surface area of 90 m²/g according to BET. With a pH stability range of 2.0-9.0 and pressure stability up to 600 bar, they ensure robust performance while protecting the main HPLC column from contaminants. Ideal for applications utilizing acetonitrile-water eluents,</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Surface chemistry:</strong> Monomeric octadecyl (C 18 , RP 18 , ODS) modification, Polar selectivity</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Particle size:</strong> 5 µm</li> <li><strong>pH stability:</strong> 2,0-9,0</li> <li><strong>L x Ø internal (column):</strong> 4 x 2 mm</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Specific surface according to BET:</strong> 90 m²/g</li> <li><strong>Carbon content:</strong> 5.7 %</li> <li><strong>Pore size:</strong> 90 Å</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Particle type:</strong> Core-shell, superficially porous particles (SPP)</li> <li><strong>Column inner diameter:</strong> 2 mm</li> <li><strong>Column length:</strong> 4 mm</li> </ul>
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<p>Optimized for controlled laboratory processes, the Hplc Guard Columns (Preparative) Nucleodur® C 18 HTEC, 10 x 16 mm, serve as essential pre-column systems for high-performance liquid chromatography (HPLC). These guard columns protect the main HPLC column from contaminants, extending its lifespan. Featuring fully porous particles (FPP) and a base deactivated (BDS), high-density octadecyl (C 18, ODS) modification, they ensure efficient separation through reversed-phase (RP) principles. With a pore size of 110 Å, a specific surface area of 340 m²/g, and a pressure stability of up to 400 bar, these guard columns offer exceptional performance under various eluents such as acetonitrile-water mixtures</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>Pressure stability:</strong> 400 bar</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Column length:</strong> 10 mm</li> <li><strong>pH stability:</strong> 1,0-11,0</li> <li><strong>L x Ø internal (column):</strong> 10 x 16 mm</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Surface chemistry:</strong> Base deactivated (BDS), High density octadecyl (C 18 , ODS) modification</li> <li><strong>Column inner diameter:</strong> 16 mm</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Carbon content:</strong> 18 %</li> </ul>
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<p>Widely applied in chemical workflows, the Hplc Guard Columns (Analytical) Nucleoshell ® Rp 18, 5 μm, 4 x 2 mm are essential pre-column systems designed for protecting main HPLC columns from contamination. Featuring a core-shell structure with superficially porous particles (SPP), these guard columns have a pore size of 90 Å and a specific surface area of 90 m²/g, as per BET. With a particle size of 5 μm and an internal diameter of 2 mm, they offer a pressure stability of up to 600 bar. The columns' reversed phase (RP) separation principle, combined with high density monomeric octadecyl (C 18 , ODS) modification and base deactivation (BDS), ensures optimal performance in acetonit</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Surface chemistry:</strong> High density monomeric octadecyl (C 18 , ODS) modification, Base deactivated (BDS)</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>L x Ø internal (column):</strong> 4 x 2 mm</li> <li><strong>Particle size:</strong> 5 µm</li> <li><strong>pH stability:</strong> 1,0-11,0</li> <li><strong>Carbon content:</strong> 7.8 %</li> <li><strong>Specific surface according to BET:</strong> 90 m²/g</li> <li><strong>Column inner diameter:</strong> 2 mm</li> <li><strong>Pore size:</strong> 90 Å</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Particle type:</strong> Core-shell, superficially porous particles (SPP)</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> </ul>
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<p>Formulated to support synthetic operations, the Hplc Guard Columns (Preparative) Nucleodur® C 18 Gravity, 10 x 16 mm are designed as pre-columns for high-performance liquid chromatography (HPLC). Placed within a guard column holder, they protect the primary HPLC column from contaminants, extending its lifespan. Featuring fully porous particles (FPP), a bifunctional reversed-phase (RP) phase, and a balanced ratio of propylphenyl and C 18 ligands, these guard columns offer excellent separation performance. With a pore size of 110 Å, a specific surface area of 340 m²/g, and a carbon content of 15 %, they ensure efficient adsorption and elution processes using acetonitrile-water mixtures across their 10 mm</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>pH stability:</strong> 1,0-10,0</li> <li><strong>Column length:</strong> 10 mm</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>L x Ø internal (column):</strong> 10 x 16 mm</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Carbon content:</strong> 15 %</li> <li><strong>Column inner diameter:</strong> 16 mm</li> <li><strong>Surface chemistry:</strong> Bifunctional RP phase, balanced ratio of propylphenyl and C 18 ligands</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> </ul>
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<p>Tailored for precision-driven chemical tasks, the Hplc Guard Columns (Analytical) Nucleodur ® C 18 Gravity Sb, 3 μm, 4 x 2 mm, offer robust protection for your main HPLC column from contaminants. With a pore size of 110 Å, a specific surface area of 340 m²/g, and a pressure stability of up to 600 bar, these guard columns ensure optimal performance under high-pressure conditions. Featuring fully porous particles (FPP) and a base deactivated (BDS), high-density octadecyl (C 18, ODS) modification, they provide exceptional separation efficiency using acetonitrile-water as eluent. Ideal for reversed-phase (RP) separations, these pre-columns extend the lifespan of your primary</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Surface chemistry:</strong> Base deactivated (BDS), High density octadecyl (C 18 , ODS) modification</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>L x Ø internal (column):</strong> 4 x 2 mm</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>pH stability:</strong> 1,0-9,0</li> <li><strong>Particle size:</strong> 3 µm</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Carbon content:</strong> 13 %</li> <li><strong>Column inner diameter:</strong> 2 mm</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Column length:</strong> 4 mm</li> </ul>
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<p>Prepared to meet the demands of technical research tasks, the Hplc Guard Columns (Preparative) Nucleodur ® Polartec, 10 x 16 mm, serve as essential components in high-performance liquid chromatography (HPLC) setups. Placed between the injector and the primary column, they protect the latter from contaminants, extending its lifespan significantly. Featuring fully porous particles (FPP), a reversed-phase (RP) separation principle, and a specific surface area of 340 m²/g, these guard columns ensure efficient filtration while maintaining optimal flow rates. With a pore size of 110 Å, a pore volume of 0.9 ml/g, and a carbon content of 17%, they offer excellent compatibility with acetonitrile-water eluents and exhibit broad pH stability ranging from</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>L x Ø internal (column):</strong> 10 x 16 mm</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Column length:</strong> 10 mm</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Surface chemistry:</strong> Octadecyl phase (C 18 , ODS) modification, with embedded polar group (PEG)</li> <li><strong>Pressure stability:</strong> 400 bar</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Column inner diameter:</strong> 16 mm</li> <li><strong>Carbon content:</strong> 17 %</li> <li><strong>pH stability:</strong> 1,0-9,0</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Pore size:</strong> 110 Å</li> </ul>
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<p>Developed for demanding processing applications, the Hplc Guard Columns (Analytical) Nucleodur ® C 18 Htec offer exceptional protection for your main HPLC column from contaminants. With a particle size of 1.8 μm and a column length of 4 mm, these guard columns provide optimal filtration capabilities, ensuring that chemical impurities do not reach the main column. Featuring a base deactivated (BDS), high density octadecyl (C 18 , ODS) modification, these fully porous particles (FPP) have a specific surface area of 340 m²/g, providing excellent separation efficiency. Additionally, they boast a pH stability range of 1.0-11.0 and a pressure stability of up to 900 bar, making them suitable for a wide variety of analytical applications. By using</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Carbon content:</strong> 18 %</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> <li><strong>Surface chemistry:</strong> Base deactivated (BDS), High density octadecyl (C 18 , ODS) modification</li> <li><strong>Pressure stability:</strong> 900 bar</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>Particle size:</strong> 1.8 µm</li> <li><strong>pH stability:</strong> 1,0-11,0</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Column inner diameter:</strong> 2 mm</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>L x Ø internal (column):</strong> 4 x 2 mm</li> </ul>
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<p>Adapted for use across diverse chemical handling environments, the Hplc Guard Columns (Analytical) Nucleodur ® Phenyl-Hexyl, 5 μm, 4 x 3 mm offer robust protection for your main HPLC column from contaminants. With a pore size of 110 Å, a specific surface area of 340 m²/g, and a pressure stability of up to 600 bar, these guard columns ensure optimal performance under various conditions. Featuring fully porous particles (FPP), phenylhexyl modification, and a carbon content of 10 %, they provide efficient separation using reversed phase (RP) principles. Their end-capping ensures compatibility with acetonitrile-water eluents, while their pH stability range of 1.0-10.0 makes them suitable for a wide array of applications. Ideal</p> <ul> <li><strong>Category:</strong> Pre-column systems for HPLC</li> <li><strong>Pressure stability:</strong> 600 bar</li> <li><strong>Pore volume:</strong> 0.9 ml/g</li> <li><strong>Separation principle:</strong> Reversed phase (RP)</li> <li><strong>Surface chemistry:</strong> Phenylhexyl modification</li> <li><strong>Endcapped:</strong> yes</li> <li><strong>L x Ø internal (column):</strong> 4 x 3 mm</li> <li><strong>Column length:</strong> 4 mm</li> <li><strong>Eluent in column:</strong> Acetonitrile - Water</li> <li><strong>Column inner diameter:</strong> 3 mm</li> <li><strong>Carbon content:</strong> 10 %</li> <li><strong>Pore size:</strong> 110 Å</li> <li><strong>Particle size:</strong> 5 µm</li> <li><strong>pH stability:</strong> 1,0-10,0</li> <li><strong>Particle type:</strong> Fully porous particles (FPP)</li> <li><strong>Specific surface according to BET:</strong> 340 m²/g</li> </ul>
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© 2023 Copyright. All Rights Reserved. Unit 19, Euroway House, Roydsdale Way, Bradford, BD4 6SE, UK
