Selectra® EtG 1.8µm Guard Cartridge 5 x 2.1 mm x 1.8 µm
$420.00Guard 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 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 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® 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® 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 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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