主题：USP Column

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