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USP Column

液相色谱(LC)

  • L1 Octadecyl silane chemically bonded to porous silica or ceramic microparticles,3 to 10µ in diameter.

    例如: Luna 5µ C18(2) Synergi Hydro-RP Spherical
    L2 Octadecyl silane chemically bonded to silica gel of a controlled surface porosity that has been bonded to a solid spherical core, 30 to 50µ in diameter.
    L3 Porous silica microparticles, 5 to 10µ in diameter.
    例如: Luna 5µ Silica(2) Spherical
    L4 Silica gel of controlled surface porosity bonded to a solid spherical core, 30 to 50µ in diameter.
    L5 Alumina of controlled surface porosity bonded to a solid spherical core, 30 to 50µ in diameter.
    L6 Strong cation-exchange packing: sulfonated fluorocarbon polymer coated on a solid spherical core, 30 to 50µ in diameter.
    L7 Octyl silane chemically bonded to totally porous microsilica particles, 3 to 10µ in diameter.
    例如:Luna 5µ C8(2) Spherical
    L8 An essentially monomolecular layer of aminopropyl-silane chemically bonded to totally porous silica gel support, 10µ in diameter.
    例如:Luna 10µ NH2 Spherical
    L9 10µ irregular totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating.
    例如:Partisil 10µ SCX Irregular
    L10 Nitrile groups chemically bonded to porous silica microparticles, 3 to 10µ in diameter.
    例如:Luna 5µ CN 100Å;Capcell 5µ CN UG Spherical
    L11 Phenyl groups chemically bonded to porous silica microparticles, 3 to 10µ in diameter.
    例如:Luna 5µ Phenyl-Hexyl;Synergi Polar-RP;Prodigy 5µ PH-3 Spherical
    L12 Strong anion-exchange packing made by chemically bonding a quaternary amine to a solid silica spherical core, 30 to 50µm in diameter.
    L13 Trimethylsilane chemically bonded to porous silica microparticles, 3 to 10µ in diameter.
    例如:Develosil TMS-UG (C1) 130Å Spherical
    L14 Silica gel, 10µ in diameter, having a chemically bonded, strongly basic quaternary ammonium anion-exchange coating. 例如:Spherex 10µ SAX 100Å Spherical
    L15 Hexyl silane chemically bonded to totally porous silica particles, 3 to 10µ in diameter.
    例如:PhenoSphere C6 Spherical
    L16 Dimethyl silane chemically bonded to totally porous silica particles, 3 to 10µ in diameter.
    例如:Maxsil 5µ RP2 60Å Irregular
    L17 Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 to 11µ in diameter.
    例如:Rezex RHM Monosaccharide Spherical
    L18 Amino and cyano groups chemically bonded to porous silica particles, 5 to 10µ in diameter.
    例如:Partisil 5µ, 10µ PAC Irregular
    L19 Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, 9µ in diameter.
    例如:Rezex RCURezex RCM Spherical
    L20 Dihydroxypropane groups chemically bonded to porous silica particles, 3 to 10µ in diameter.
    例如:Spherex 5µ Diol Spherical
    L21 A rigid, spherical styrene-divinylbenzene copolymer, 5 to 10µ in diameter.
    例如:PolymerX 100Å 5µ, 10µ RP-1 Spherical
    L22 A cation exchange resin made of porous polystyrene gel with sulfonic acid groups, about 10µ in size.
    例如:Rezex ROA Spherical
    L23 An ion exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, about 10µ in size. 例如: Shodex IEC QA-825 Spherical
    L24 A semi-rigid hydrophilic gel consisting of vinyl polymers with numerous hydroxyl groups on the matrix surface, 32 to 63µ in diameter.
    L25 Packing having the capacity to separate compounds with a MW range from 100 to 5000 daltons (as determined by polyethylene oxide), applied to neutral, anionic, and cationic water-soluble polymers. A polymethacrylate resin base, crosslinked with poly-hydroxylated ether (surface contained some residual carboxyl functional groups) was found suitable.
    例如:Shodex OHpak SB-802.5 Spherical
    L26 Butyl silane chemically bonded to totally porous silica particles, 5 to 10µ in diameter.
    例如:PrimeSphere 5µ C4;Jupiter 300Å C4 Spherical
    L27 Porous silica particles, 30 to 50µ in diameter.
    L28 A multifunctional support, which consists of a high purity, 100Å, spherical silica substrate that has been bonded with anionic (amine) functionality in addition to a conventional reversed phase C8 functionality.
    L29 Gamma alumina, reversed phase, low carbon percentage by weight, alumina-based polybutadiene spherical particles, 5µ diameter w/ a pore diameter of 80Å.
    L30 Ethyl silane chemically bonded to a totally porous silica particle, 3 to 10µ in diameter.
    例如:Maxsil 5µ RP2 60Å Irregular
    L31 A strong anion-exchange resin-quaternary amine bonded on latex particles attached to a core of 8.5µ macroporous particles having a pore size of 2000Å and consisting of ethylvinylbenzene cross-linked with 55% divinyl benzene.
    L32 A chiral ligand-exchange packing- L-proline copper complex covalently bonded to irregularly shaped silica particles, 5 to 10µ in diameter.
    例如:Nucleosil Chiral-1 Spherical
    L33 Packing having the capacity to separate proteins of 4,000 to 400,000 daltons. It is spherical, silica-based and processed to provide pH stability.
    例如:BioSep-SEC-S2000BioSep-SEC-S3000 Spherical
    L34 Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the lead form, about 9µ in diameter.
    例如:Rezex RPM Monosaccharide Spherical
    L35 A zirconium-stabilized spherical silica packing with a hydrophilic (diol-type) molecular monolayer bonded phase having a pore size of 150Å.
    例如:(BioSep-SEC-S2000 may be used) Spherical
    L36 3,5-dinitrobenzoyl derivative of L-phenylglycine covalently bonded to 5µ aminopropyl silica.
    例如:Nucleosil Chiral-3 Spherical
    L37 Polymethacrylate gel packing having the capacity to separate proteins by molecular size over a range of 2,000 to 40,000D. 例如:PolySep-GFC-P 3000;Shodex OHpak SB-803HQ Spherical
    L38 Methacrylate-based size-exclusion packing for water-soluble samples.
    例如:PolySep-GFC-P 1000;Shodex OHpak SB-802HQ Spherical
    L39 Hydrophilic polyhydroxymethacrylate gel of totally porous spherical resin.
    例如:PolySep-GFC-P;Shodex OHpak SB-800HQ series;Shodex RSpak DM-614 Spherical
    L40 Cellulose tri-3,5-dimethylphenylcarbamate coated porous silica particles, 5µ to 20µ in diameter.
    L41 Immobilized α-acid glycoprotein on spherical silica particles,5µ in diameter.
    例如:Chiral-AGP Spherical
    L42 Octylsilane and octadecylsilane groups chemically bonded to porous silica particles, 5µ in diameter.
    L43 Pentafluorophenyl groups chemically bonded to silica particles, 5 to 10µ in diameter.
    例如:Curosil-PFP Spherical
    L44 A multifunctional support, which consists of a high purity, 60Å, spherical silica substrate that has been bonded with cationic exchanger,sulfonic acid functionality in addition to a conventional reversed phase C8 functionality.
    L45 Beta c
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