Selectra® Aqueous C18 Guard Cartridge 5 x 2.1 mm x 1.8 µm
$436.00Guard Cartridge (2/pack) *Requires SLGRDHLDR-HPOPT Guard Cartridge Holder 10 x 2.1mm UHPLC column
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Guard Cartridge (2/pack) *Requires SLGRDHLDR-HPOPT Guard Cartridge Holder 10 x 2.1mm UHPLC column

Guard Cartridge (2/pack) *Requires SLGRDHLDR-HPOPT Guard Cartridge Holder 10 x 4.6 mm UHPLC column

SELECTRA® C18 guard cartridge packed with high-purity, fully porous type B silica and bonded octadecylsilane (C18), designed to protect the analytical column from particulates and strongly retained contaminants. It provides C18 matching selectivity, extends column lifetime, and maintains consistent reversed-phase performance.
Key Specifications
Documentation

SELECTRA® C18 guard cartridge packed with high-purity, fully porous type B silica and bonded octadecylsilane (C18), designed to protect the analytical column from particulates and strongly retained contaminants. It provides C18 matching selectivity, extends column lifetime, and maintains consistent reversed-phase performance.
Key Specifications
Documentation

SELECTRA® C8 guard cartridge packed with high-purity, fully porous type B silica and bonded octyl (C8) phase, designed to protect the analytical column from particulates and strongly retained contaminants while maintaining matching C8 selectivity and retention characteristics.
Key Specifications
Documentation

SELECTRA® C8 guard cartridge packed with high-purity, fully porous type B silica and bonded octyl (C8) phase, designed to protect the analytical column from particulates and strongly retained contaminants while maintaining matching C8 selectivity and retention characteristics.
Key Specifications
Documentation

SELECTRA® DA guard cartridge packed with high-purity, fully porous type B silica and a unique polyaromatic stationary phase, designed to protect the analytical column from particulates and strongly retained contaminants while maintaining matching DA selectivity and retention characteristics.
Key Specifications
Documentation

SELECTRA® DA guard cartridge packed with high-purity, fully porous type B silica and a unique polyaromatic stationary phase, designed to protect the analytical column from particulates and strongly retained contaminants while maintaining matching DA selectivity and retention characteristics.
Key Specifications
Documentation

Guard Cartridge (2/pack) *Requires SLGRDHLDR-HPOPT Guard Cartridge Holder 10 x 2.1mm UHPLC column

SELECTRA® PFPP guard cartridge packed with high-purity, fully porous type B silica and bonded pentafluorophenylpropyl (PFPP) phase, designed to protect analytical PFPP columns from particulates and strongly retained contaminants. The PFPP stationary phase provides enhanced selectivity through hydrophobic, dipole-dipole, hydrogen bonding, and π-π interactions, making it ideal for aromatic, halogenated, and structurally similar compounds in pharmaceutical, environmental, food safety, and forensic analyses.
Key Specifications
Documentation

Guard holder for any UCT HPLC guard cartridge
Direct connect PEEK tip attaches directly to analytical column



Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 2.1mm
HPLC column

Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 4.6mm
HPLC column

Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 4.6mm
HPLC column

Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 2.1mm
HPLC column

SELECTRA® C18 guard cartridge packed with high-purity, fully porous type B silica and bonded octadecylsilane (C18), designed to protect the analytical column from particulates and strongly retained contaminants. It provides C18 matching selectivity, extends column lifetime, and maintains consistent reversed-phase performance.
Key Specifications
Documentation

SELECTRA® C18 guard cartridge packed with high-purity, fully porous type B silica and bonded octadecylsilane (C18), designed to protect the analytical column from particulates and strongly retained contaminants. It provides C18 matching selectivity, extends column lifetime, and maintains consistent reversed-phase performance.
Key Specifications
Documentation

SELECTRA® C18 guard cartridge packed with high-purity, fully porous type B silica and bonded octadecylsilane (C18), designed to protect the analytical column from particulates and strongly retained contaminants. It provides C18 matching selectivity, extends column lifetime, and maintains consistent reversed-phase performance.
Key Specifications
Documentation

SELECTRA® DA guard cartridge packed with high-purity, fully porous type B silica and a unique polyaromatic stationary phase, designed to protect the analytical column from particulates and strongly retained contaminants while maintaining matching DA selectivity and retention characteristics.
Key Specifications
Documentation

SELECTRA® DA guard cartridge packed with high-purity, fully porous type B silica and a unique polyaromatic stationary phase, designed to protect the analytical column from particulates and strongly retained contaminants while maintaining matching DA selectivity and retention characteristics.
Key Specifications
Documentation

Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 2.1mm
HPLC column

SELECTRA® PFPP guard cartridge packed with high-purity, fully porous type B silica and bonded pentafluorophenylpropyl (PFPP) phase, designed to protect analytical PFPP columns from particulates and strongly retained contaminants. The PFPP stationary phase provides enhanced selectivity through hydrophobic, dipole-dipole, hydrogen bonding, and π-π interactions, making it ideal for aromatic, halogenated, and structurally similar compounds in pharmaceutical, environmental, food safety, and forensic analyses.
Key Specifications
Documentation

Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 2.1mm

SELECTRA® PFPP guard cartridge packed with high-purity, fully porous type B silica and bonded pentafluorophenylpropyl (PFPP) phase, designed to protect analytical PFPP columns from particulates and strongly retained contaminants. The PFPP stationary phase provides enhanced selectivity through hydrophobic, dipole-dipole, hydrogen bonding, and π-π interactions, making it ideal for aromatic, halogenated, and structurally similar compounds in pharmaceutical, environmental, food safety, and forensic analyses.
Key Specifications
Documentation

Guard Cartridge (2/pack)
*Requires SLGRDHLDR Guard Cartridge Holder
10 x 2.1mm
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