The following official list of HPLC packing materials according to USP 621 is intended as a selection aid when choosing a suitable column for the implementation of a USP method. All listed columns can be ordered directly from MZ-Analysentechnik GmbH; if available, at least one packing material is listed for each method. The list does not claim to include all USP-compliant columns. We have focussed on listing columns that can be supplied quickly and reliably in order to ensure the smoothest possible workflow. This guarantees uninterrupted work if a column needs to be replaced.
| USP number | Description of column | Column recommendation |
| L1 | Octadecyl silane chemically bonded to porous or non-porous silica or ceramic micro-particles, 1.5 to 10 µm in diameter, or a monolithic rod. | PerfectSil 100 ODS-3 PerfectSil Target ODS-3 PerfectSil Target ODS-3 HD |
| L2 | Octadecyl silane chemically bonded to silica gel of a controlled surface porosity that has been bonded to a solid spherical core, 30 to 50 µm in diameter | Bondapak Prep C18 |
| L3 | Porous silica particles, 1.5 to 10 µm in diameter, or a monolithic silica rod. | PerfectSil 120 Sil PerfectSil 300 Sil |
| L4 | Silica gel of controlled surface porosity bonded to a solid spherical core, 30 to 50 µm in diameter | Porasil Prep Silica SMT Prep Silica |
| L5 | Alumina of controlled surface porosity bonded to a solid spherical core, 30 to 50 µm in diameter | - none available - |
| L6 | Strong cation-exchange packing-sulfonated fluorocarbon polymer coated on a solid spherical core, 30 to 50 µm in diameter | Partisil SCX |
| L7 | Octylsilanes chemically bonded to totally or superficially porous silica particles, 1.5 to 10 µm in diameter, or a monolithic silica rod. | PerfectSil 100 C8-3 PerfectSil 120 C8 PerfectSil 300 C8 |
| L8 | An essentially monomolecular layer of aminopropylsilanes chemically bonded to totally porous silica gel support, 1.5 to 10 µm in diameter, or a monolithic silica rod. | PerfectChrom 100 NH2 PerfectSil 120 NH2 |
| L9 | Irregular or spherical, totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating, 3 to 10 µm in diameter. | Inertsil CX Partisil SCX Spherisorb SCX |
| L10 | Nitrile groups chemically bonded to porous silica particles, 1.5 to 10 µm in diameter, or a monolithic silica rod. | PerfectSil 120 CN PerfectSil Target CN-3 |
| L11 | Phenyl groups chemically bonded to porous silica particles, 1.5 to 10 µm in diameter, or a monolithic silica rod. | PerfectChrom 100 Phenyl PerfectSil 120 Phenyl |
| L12 | A strong anion-exchange packing made by chemically bonding a quaternary amine to a solid silica spherical core, 30 to 50 µm in diameter | Accell Plus QMA (SPE) SMT SAX |
| L13 | Trimethylsilanes chemically bonded to porous silica particles, 3 to 10 µm in diameter | PerfectBond C1 PerfectSil 120 C1 |
| L14 | Silica gel having a chemically bonded strongly basic quaternary ammonium anion-exchange coating, 5 to 10 µm in diameter. | Inertsil AX Hypersil SAX Partisil SAX Spherisorb SAX |
| L15 | Hexylsilanes chemically bonded to totally porous silica particles, 3 to 10 µm in diameter | PerfectChrom 100 C6 |
| L16 | Dimethylsilanes chemically bonded to porous silica particles, 5 to 10 µm in diameter | Chromegabond C2 Nucleosil C2 |
| L17 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 6 to 12 µm in diameter | ICSep COREGEL 87H3 SUGAR SH1011 Carbomix H-NP5 |
| L18 | Amino and cyano groups chemically bonded to porous silica particles, 3 to 10 µ in diameter | Chromegabond A/CN Partisphere PAC |
| L19 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, 5 - 15 µm in diameter | CarboSep Coregel-87C SUGAR SC1011 Carbomix Ca-NP5 |
| L20 | Dihydroxypropane groups chemically bonded to porous silica or hybrid particles, 1.5 to 10 µm in diameter, or a monolithic silica rod. | PerfectChrom 100 Diol PerfectSil 300 Diol |
| L21 | A rigid, spherical styrene-divinylbenzene copolymer, 3 to 30 µm in diameter | Hamilton PRP-1 TSKgel HXL and HHR PLRP-S |
| L22 | A cation-exchange resin made of porous polystyrene gel with sulfonic acid groups, 5 - 15 µm in diameter. | ICSep COREGEL 87H3 CarboSep Coregel-87C SUGAR SC1011 |
| L23 | An anion-exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, 7 - 12 µm in size | Allsep Anion TSKgel Q-STAT |
| L24 | Polyvinylalcohol chemically bonded to porous silica particles, 5 µm in diameter | YMC-Pack PVA-Sil |
| L25 | Packing having the capacity to separate compounds with a molecular weight range from 100-5000 (as determined by polyethylene oxide), applied to neutral, anionic, and cationic water-soluble polymers. A polymethacrylate resin base, cross-linked with polyhydroxylated ether (surface contained some residual carboxyl functional groups) was found suitable | TSKgel G2500PWxl OHpak SB-802.5 HQ |
| L26 | Butyl silane chemically bonded to totally porous or superficially porous silica particles, 1.5 to 10 µm in diameter | PerfectSil 120 C4 PerfectSil 300 C4 |
| L27 | Porous silica particles, 30 to 50 µm in diameter | PerfectBond Si |
| L28 | A multifuncional support, which consists of a high purity, 100 Ǻ, spherical silica substrate that has been bonded with anionic exchanger, amine funcionatily in addition to a conventional reversed phase C8 funcionality | ProTec-RP C8 |
| L29 | Gamma alumina, reverse-phase, low carbon percentage by weight, alumina-based polybutadiene spherical particles, 5 µm in diameter with a pore volume of 80 Ǻ units | GammaBond ARP-1 |
| L30 | Ethyl silane chemically bonded to totally porous silica particles, 3 to 10 µm in diameter | Chromegabond C2 Nucleosil C2 |
| L31 | A hydroxide-selective, strong anion-exchange resin-quaternary amine bonded on latex particles attached to a core of 8.5-µm macroporous particles having a pore size of 2000 Ǻ units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene | MCI Gel SCA04 |
| L32 | A chiral ligand-exchange resin packing-L-proline copper complex covalently bonded to irregularly shaped silica particles, 5 to 10 µm in diameter | CHIRALPAK WH MCl Gel CRS10W |
| L33 | Packing having the capacity to separate dextrans by molecular size over a range of 4,000 to 500,000 Da. It is spherical, silica-based, and processed to provide pH stability | TSKgel SWxl Shodex KW400 |
| L34 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the lead form, 7 to 9 µm in diameter | CARBOSep Coregel-87P SUGAR SP0810 |
| L35 | A zirconium-stabilised spherical silica packing with a hydrophilic (diol-type) molecular monolayer bonded phase having a pore size of 150 Ǻ. | Zorbax GF-250 |
| L36 | A 3,5-dinitrobenzoyl derivative of L-phenylglycine covalently bonded to 5-µm aminopropyl silica | Nucleosil Chiral-3 |
| L37 | Packing having the capacity to separate proteins by molecular size over a range of 2,000 to 40,000 Da. It is a polymethacrylate gel | TSKgel G3000PWxl OHpak SB-803 HQ |
| L38 | A methacrylate-based size-exclusion packing for water-soluble samples | TSKgel PWxl OHpak SB-800HQ Ultrahydrogel series |
| L39 | A hydrophilic polyhydroxymethacrylate gel of totally porous spherical resin | TSKgel PWxl OHpak SB-800HQ |
| L40 | Cellulose tris-3,5-dimethylphenylcarbamate coated porous silica particles, 3 µm to 20 µm in diameter | CHIRALCEL OD-H Kromasil CelluCoat |
| L41 | Immobilised α1-acid glycoprotein on spherical silica particles, 5 µm in diameter | CHIRALPAK AGP |
| L42 | Octylsilane and octadecylsilane groups chemically bonded to porous silica particles, 5 µm in diameter | Chromegabond PSC Hichrom RPB |
| L43 | Pentafluorophenyl groups chemically bonded to silica particles by a propyl spacer, 1.5 to 10 µm in diameter | HALO PFP Discovery HS F5 InertSustain PFP |
| L44 | A multifuncional support, which consists of a high purity, 60 Ǻ, spherical silica substrate that has been bonded with a cationic exchanger, sulfonic acid funcionality in addition to a convention reversed phase C8 funcionality | Chromegabond RP-SCX Generic C8/SCX |
| L45 | Beta cyclodextrin, R,S-hydroxypropyl ether derivative, bonded to porous silica particles, 3 to 10 µm in diameter | Ultron ES-CD ChiraDex |
| L46 | Polystyrene/divinylbenzene substrate agglomerated with quaternary amine funcionalised latex beads, about 9 µm to 11 µm in diameter | ICSep AN1 |
| L47 | High capacity anion-exchange microporous substrate, fully functionalized with a trimethylamine group, 8 µm in diameter | Hamilton PRP-X100 Hamilton RXC-10 Hamilton RXC-30 |
| L48 | Sulfonated, cross-linked polystyrene with an outer layer of submicron, porous, anion-exchange microbeads, 5 to 15 µm in diameter | Dionex IonPac AS7 |
| L49 | A reversed-phase packing made by coating a thin layer of polybutadiene on to spherical porous zirconia particles, 3 to 10 µm in diameter | ZirChrom PBD Discovery Zr-PBD |
| L50 | Multifunction resin with reverse-phase retention and strong anion-exchange functionalities. The resin consists of ethylvinylbenzene, 55% cross-linked with divinylbenzene copolymer, 3 to 15 µm in diameter, and a surface are of not less than 350m2 per g. Substrate is coated with quaternary ammonium functionalized latex particles consisting of styrene cross-linked with divinylbenzene | Proteomix SAX-POR |
| L51 | Amylose tris-3,5-dimethylphenylcarbamate-coated, porous, spherical, silica particles, 3 to 10 µm in diameter | CHIRALPAK AD-H Kromasil AmyCoat |
| L52 | A strong cation exchange resin made of porous silica with sulfopropyl or sulfoethyl groups, 1 to 10 µm in diameter | BioBasic SCX Supelcosil LC-SCX TSKgel SP-2SW |
| L53 | Weak cation-exchange resin consisting of ethylvinylbenzene, 55% cross-linked with divinylbenzene copolymer, 3 to 15 µm diameter. Substrate is surface grafted with carboxylic acid and/or phosphoric acid functionalised monomers. Capacity not less than 500 µEq/column | Dionex IonPac CS14 |
| L54 | A size exclusion medium made of covalent bonding of dextran to highly cross-linked porous agarose beads, 5 - 15 µm in diameter. | SUPERDEX 75 10/300 GL |
| L55 | A strong cation exchange resin made of porous silica coated with polybutadiene-maleic acid copolymer, about 5 µm in diameter | IC-Pak C M/D |
| L56 | Propyl silane chemically bonded to totally or superficially porous silica particles, 3 to 10 µm in diameter | Zorbax StableBond C3 |
| L57 | A chiral-recognition protein, ovomucoid, chemically bonded to silica particles, about 5 µm in diameter, with a pore size of 120 Ǻ. | Ultron ES-OVM |
| L58 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the sodium form, about 6 to 30 µm diameter | CARBOSep Coregel 87N SUGAR KS-802 Carbomix Na-NP5 |
| L59 | Packing for the size-exclusion separations of proteins (separation by molecular weight) over the range of 5 to 7000 kDa. The packing is spherical 1.5 - 10 µm, silica or hybrid packing with a hydrophilic coating. | TSKgel SWxl PROTEIN KW-800 |
| L60 | Spherical, porous silica gel, 10 µm or less in diameter, the surface of which has been covalently modified with alkyl amide groups and endcapped | Halo RP-Amide Discovery RP-Amide C16 |
| L61 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 13 µm microporous particles having a pore size less than 10 Ǻ units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene with a latex coating composed of 85 nm diameter microbeads bonded with alkanol quaternary ammonium ions (6%). | Dionex IonPac AS-11 |
| L62 | C30 silane bonded phase on a fully porous spherical silica, 3 to 15 µm in diameter. | SMT C30 Acclaim C30 |
| L63 | Glycopeptide teicoplanin linked through multiple covalent bonds to a 100 Ǻ units spherical silica | Astec Chirobiotic T |
| L64 | Strongly basic anion exchange resin consisting of 8% crosslinked styrene divinylbenzene copolymer with a quaternary ammonium group in the chloride form, 45 to 180 µm in diameter | AG1-X8 |
| L65 | Strongly acidic cation exchange resin consisting of 2% sulfonated crosslinked styrene divinylbenzene copolymer with a sulfonic acid group in the hydrogen form, 63 to 250 µm in diameter | AG50W-X2 |
| L66 | A crown ether coated on a 5 µm particle size silica gel substrate. The active site is (S) -18-crown-6-ether | Crownpak CR (+) |
| L67 | Porous vinyl alcohol copolymer with a C18 alkyl group attached to the hydroxyl group of the polymer, 2 to 10 µm in diameter. | apHera C18 Asahipak ODP-40 |
| L68 | Spherical, porous silica, 10 µm or less in diameter, the surface of which has been covalently modified with alkyl amide groups and not endcapped | TSKgel Amide-8 SUPLEX pKb-100 |
| L69 | Ethylvinylbenzene/divinylbenzene substrate agglomerated with quaternary amine functionalised 130 nm latex beads, about 6.5 µm in diameter. | Dionex CarboPac PA20 |
| L70 | Cellulose tris(phenyl carbamate) coated on 5 µm silica | Chiralcel OC-H |
| L71 | A rigid, spherical polymetacrylate, 4 to 6 µm in diameter | RSpak DE-413 |
| L72 | (S)-phenylglycine and 3,5-dinitroanaline urea linkage covalently bonded to silica | Sumichiral OA-3300 S |
| L73 | A rigid, spherical polydivinylbenzene particle, 5 to 10 µ in diameter | MCI GEL CDR10 |
| L74 | A strong anion-exchange resin consisting of a highly cross-linked core of 7-µm macroporous particles having a 100 Angstroms average pore size and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene and an anion-exchange layer grafted to the surface, which is functionalized with alkyl quaternary ammonium ions. | Dionex IonPac AS14A |
| L75 | A chiral-recognition protein, bovine serum albumin (BSA), chemically bonded to silica particles, about 7 µm in diameter, with a pore size of 300 Angstroms | Resolvosil BSA |
| L76 | Silica based weak cation-exchange material, 5 µm in diameter. Substrate is surface polymerised polybutadiene-maleic acid to provide carboxylic acid functionalities. Capacity not less than 29 µEq/column | IC YK-421 |
| L77 | Weak cation-exchange resin consisting of ethylvinylbenzene, 55% cross-linked with divinylbenzene copolymer, 6 to 9 µm diameter. Substrate is surface grafted with carboxylic acid functionalized groups. Capacity not less than 500 µEq/column (4 mm x 25 cm) | Dionex IonPac CS17 |
| L78 | A silane ligand that consists of both reversed-phase (an alkyl chain longer than C8) and anion-exchange (primary, secondary, or tertiary amino groups) functional groups chemically bonded to porous or non-porous or ceramic micro-particles, 1.0 to 50 µm in diameter or a monolithic rod | Acclaim Mixed-Mode WAX-1 Primesep B2 |
| L79 | A chiral-recognition protein, human serum albumin (HSA), chemically bonded to silica particles, about 5 µm in diameter. | CHIRALPAK HS |
| L80 | Cellulose tris(4-methylbenzoate)-coated, porous, spherical, silica particles, 5 - 20 µ in diameter | Chiralcel OJ-H |
| L81 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 9 µm porous particles having a pore size of 2000 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene with a latex coating composed of 70 nm diameter microbeads (6% crosslinked) bonded with alkanol quaternary ammonium ions | Dionex IonPac AS11-HC |
| L82 | Polyamine chemically bonded to cross-linked polyvinyl alcohol polymer, 4 - 5 µm in diameter | Asahipak NH2P-40 |
| L83 | A hydroxide-selective, strong anion-exchange resin-quaternary amine bonded on latex particles attached to a core of 10.5 µm microporous particles having a pore size of 10 Angstroms and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene. | Dionex IonPac AS17-C |
| L84 | Weak cation-exchange resin consisting of ethylvinylbenzene, 55% cross-linked with divinylbenzene copolymer, 5 µm diameter. Substrate is surface grafted with carboxylic acid functionalized groups. Capacity not less than 8400 µEq.column (5 mm x 25 cm). | Dionex IonPac CS16 |
| L85 | A silane ligand that consists of both reversed-phase (an alkyl chain longer than C8) and weak cation-exchange (carboxyl groups) functional groups chemically bonded to porous or non-porous particles, 1.0 to 50 µm in diameter | Acclaim Mixed-Mode WCX-1 Primesep 100 |
| L86 | Fused core particle with a highly polar ligand possessing multiple hydroxyl groups tethered to the silica gel outer layer | Ascentis Express OH5 |
| L87 | Dodecyl silane chemically bonded to porous or superficially silica particles, 1.5 to 10 µm in diameter | Accucore RP-MS |
| L88 | Glycopeptide vancomycin linked through multiple covalent bonds to 100 Ansgtroms spherical silica. | Astec Chirobiotic-V |
| L89 | Packing having the capacity to separate compounds with a molecular weight range from 100 - 3000 (as determined by polyethylene oxide), applied to neutral and anionic water-soluble polymers. A polymethacrylate resin base, cross-linked with polyhydroxylate ether (surface contains some residual cationic functional groups). | TSKgel SuperOligoPW |
| L90 | Amylose tris-[(S)-alpha-methylbenzylcarbamate] coated on porous, spherical silica particles, 3 to 10 µm in diameter | CHIRALPAK AS-H |
| L91 | Strong anion-exchange resin consisting of monodisperse porous polystyrene/divinyl benzene beads coupled with quaternary amine. Bead size is 3 - 10 µm. | Metrosep A Supp 1 Mono Q 5/50 GL |
| L92 | A strong anion-exchange resin consisting of a highly cross-linked core of 5 - 9 µm macroporous particles having a 100 Angstroms average pore size and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene and an anion exchange layer grafted to the surface, which is functionalized with alkanol quaternary ammonium ions. | Dionex IonPac AS15 |
| L93 | Cellulose tris(3,5-dimethylphenylcarbamate) reversed phase chiral stationary phase coated on 3 or 5 µm silica gel particles. | CHIRALCEL OD-RH |
| L94 | A strong anion-exchange resin consisting of a highly crosslinked 15 µm microporous particles functionalised with very low crosslinked latex (0.5%) to provide alkanol quaternary ammonium ion exchange sites. | Dionex IonPac AS4A |
| L95 | Highly polar alkyl ligand comprising five hydroxyl groups that are chemically bonded to totally porous or superficially porous silica or a monolithic silica rod. | Halo Penta-HILIC |
| L96 | Alkyl chain, reversed-phase bonded totatlly or superficially porous silica designed to retain hydrophilic and other oplar compounds when using highly aqueous mobile phases, including 100% aqueous, 1.5 µm to 10 µm in diameter. | Zorbax SB-Aq |
| L97 | Weak cation-exchange resin consisting of a highly cross-linked core of 5.5 µm porous particles having a pore size of 2000 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene. Substrate is surface grafted with carboxylic acid functionalized groups. Capacity not less than 2400 µEq/column (4 mm x 25 cm). | Dionex IonPac CS19 |
| L98 | Weak cation-exchange resin consisting of a highly cross-linked core of 8 µm microporous particles having an average pore size of 10 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene. Substrate is surface grafted with carboxylic acid functionalized groups. Capacity not less than 46 µEq/column (4 mm x 5 cm). | Dionex IonPac CG19 |
| L99 | Amylose tris-(3,5-dumethylphenylcarbamate), immobilised on porous, spherical, silica particles, 3 to 5 µm in diameter | CHIRALPAK IA |
| L100 | A 55% crosslinked, microporous, hydrophobic resin core (9 µm microporous particles having a pore size of 10 Angstroms units) that consists of a bilayer of anion and cation exchange latex. The first layer is fully sulfonated (140 nm) and the second layer is fully aminated (76 nm) | Dionex IonPac CS5A |
| L101 | Cholesteryl groups chemically bonded to porous or non-porous silica or ceramic micro-particles, 1.5 to 10 µm in diameter, or a monolithic rod. | Cogent UDC-Cholesterol |
| L102 | (Naproxen, (S,S)Whelk-O 1) 1-(3,5-dinitrobenzamido)-1,2,3,4-tetrahydrophenanthrene covalently bonded to porous spherical silica particles, 5 to 10 µm in diameter | (S,S) Whelk-O 1 |
| L103 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 7.5 µm porous particles having a pore size of 2000 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene electrostatically bonded with hyperbranched alkanol quaternary ammonium ions | Dionex IonPac AS19 |
| L104 | Triazole groups chemically bonded to porous silica particles, 1.5 to 10 µm in diameter | Cosmosil HILIC |
| L105 | A strong anion-exchange resin consisting of a highly cross-linked 9 µm supermacroporous (2000 Angstroms) particles functionalised with very low cross-linked latex (0.2%) to provide alkyl quaternary ammonium ion sites | Dionex IonPac AS12A |
| L106 | Weak cation-exchange resin consisting of ethylvinylbenzene, 55% cross-linked with divinylbenzene copolymer, 5-8 µm diameter, macroporous particles having an average pore size of 100 Ǻ units. Substrate is surface grafted with carboxylic acid and phosphonic acid functional groups. Capacity not less than 2800 µEq/column (4 mm x 25 cm). | Dionex IonPac CS12A |
| L107 | Cellulose tris(4-methylbenzoate)-coated porous spherical particles, 3 to 5 µm in diameter, for use with reversed phase mobile phases. | CHIRALCEL OJ-RH |
| L108 | A chiral-recognition protein, cellobiohydrolase (CBH), chemically bonded to silica particles, about 5 µm in diameter | Chiralpak CBH |
| L109 | Spherical particles of porous graphitic carbon, 3 to 30 µm in diameter | Hypercarb |
| L110 | A strong anion-exchange resin consisting of a highly cross-linked 13 µm microporous (tess than 10 Angstroms) particles coated with very low cross-linked latex (0.5%) to provide alkanol quaternary ammonium ion exchange sites. | Dionex IonPac AG12A |
| L111 | Polyamine chemically bonded to porous spherical silica particles, 5 µm in diameter | YMC-Pack Polyamine II |
| L112 | A hydroxide-selective , strong anion-exchange resin consisting of a highly cross-linked core of 8.5 µm porous particles having a pore size of 2000 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene with a latex coating composed of 65 nm diameter microbeads (5% crosslinked) bonded with alkanol quaternary ammonium ions | Dionex IonPac AG10 |
| L113 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 7.5 µm porous particles having a pore size of 2000 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene with a latex coating composed of 65 nm diameter microbeads (5%) crosslinked bonded with alkanol quaternary ammonium ions. | Dionex IonPac AS18 |
| L114 | Sulfobetaine graft-polymerised to totally or superficially porous silica, 1.5 to 10 µm in diameter, or a monolithic rod. Packing having densely bonded zwitterionic groups with 1:1 charge balance | SeQuant ZIC-HILIC |
| L115 | Ethylvinylbenzene/divinylbenzene substrate (55% cross-linked) agglomerated with quaternary amine functionalised 275 nm latex microbeads (6% cross-linked), about 8.5 µm in diameter | Dionex CarboPac PA100 |
| L116 | Sulfonated ethylvinylbenzene/divinylbenzene substrate agglomerated with hydrophilic quaternary amine functionalised glycidyl-derivative methacrylate microbeads, approximately 2 to 50 µm in diameter | Dionex DNAPac PA100 |
| L117 | A crown ether coated on a 5 µm particle size silica gel substrate. The active site is (R)-18-crown-6-ether | CROWNPAK CR(-) |
| L118 | Aqueous polymerised C18 groups on silica particles, 1.2 to 5 µm in diameter | MZ-PAH |
| L119 | Cellulose tris-(3,5-dichlorophenylcarbamate), immobilised on porous, spherical, silica particles, 3 to 5 µm in diameter | CHIRALPAK IC |
| L120 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 13 µm microporous particles having a pore size of <10 Angstroms units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene with a latex coating composed of 65 nm diameter microbeads (8% crosslinked) bonded with alkanol quaternary ammonium ions. Capacity not less than 10 µEq/column (4 mm x 5 cm). | Dionex IonPac AG18 |
| L121 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 11 µm porous particles having a pore size of less than 10 Angstroms units and consisting og ethylvinylbenzene cross-linked with 55% divinylbenzene electrostatically bonded with hyperbranched alkanol quaternary ammonium ions | Dionex IonPac AG19 |
| L122 | Sulfobetaine graft-polymerised to totally or superficially porous hydrophilic polymer particles, 1.0 to 10 µm in diameter, or a monolithic rod. Packing having densely bonded zwitterionic grooups with 1:1 charge balance. | SeQuant ZIC-pHILIC |
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