| Method | SGE Recommendations |
| L1 | Octadecyl silane chemically bonded to porous silica or ceramic microparticles, 3 to 10µm in diameter. Recommend: Wakosil II 5C18 RS Also: Wakosil II 3C18 RS, Exsil ODS 5 µm, Wakosil II 5C18 AR, Wakosil II 5C18 HG, Exsil ODS 3 µm, Nucleosil ODS |
| L2 | Octadecyl silane chemically bonded to silica gel of a controlled surface porosity that has been bonded to a spherical core, 30 to 50 µm in diameter. |
| L3 | Porous silica microparticles, 5 to 10 µm in diameter. Recommend: Exsil Silica |
| L4 | Silica gel of a controlled surface porosity bonded to a spherical core, 30 to 50 µm in diameter. |
| L5 | Alumina of controlled surface porosity bonded to a solid spherical core, 30 to 50 µm in diameter |
| L6 | Strong cation-exchange packing - sulfonated fluorocarbon polymer coated on a solid spherical core, 30 to 50 µm in diameter. |
| L7 | Octyl silane chemically bonded to totally porous microsilica particles, 5 to 10 µm in diameter. Recommend: Wakosil II 5C8 RS Also: Exsil C8 |
| L8 | An essentially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica, 10 µm in diameter. |
| L9 | 10 µm irregular, totally porous silica gel having a chemically bonded, strongly acidic cation exchange coating. |
| L10 | Nitrile groups chemically bonded to porous silica microparticles, 5 to 10 µm in diameter. Recommend: Exsil Cyano (Nitrile) |
| L11 | Phenyl groups chemically bonded to porous silica particles, 5 to 10 µm in diameter. Recommend: Exsil Phenyl |
| L12 | A strong anion-exchange packing - quaternary amine bonded on a solid spherical core, 30 to 50 µm in diameter. |
| L13 | Trimethylsilane chemically bonded to porous silica microparticles, 5 to 10 µm in diameter. |
| L14 | Silica gel, 10µm in diameter, having a chemically bonded, strongly basic quaternary ammonium anion-exchange coating. |
| L15 | Hexyl silane chemically bonded to totally porous silica particles, 3 to 10 µm in diameter. |
| L16 | Dimethylsilane chemically bonded to porous silica particles, 5 to 10 µm in diameter. |
| L17 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 to 11 µm in diameter. |
| L18 | Amino and cyano chemically bonded to porous silica particles, 5 to 10 µm in diameter. |
| L19 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, about 9 µm in diameter. |
| L20 | Dihydroxypropane chemically bonded to porous silica particles, 5 to 10 µm in diameter. |
| L21 | A rigid, spherical styrene-divinylbenzene copolymer, 5 to 10 µm in diameter. |
| L22 | A cation-exchange resin made of porous polystyrene gel with sulfonic acid groups, about 10 µm in size. |
| L23 | An anion-exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, about 10 µm in size. |
| L24 | A semi-rigid hydrophobic gel consisting of vinyl polymers with numerous hydroxyl groups on the matrix surface, 32 to 63 µm in diameter. |
| L25 | Packing having the capacity to separate compounds with a molecular weight range from 100 to 5,000 daltons (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. |
| L26 | Butyl silane chemically bonded to totally porous silica particles, 5 to 10 µm in diameter. |
| L27 | Porous silica particles, 30 to 50 µm in diameter. |
| L28 | A multifunctional support, which consists of a high purity, 100 angstrom, spherical silica substrate that has been bonded with anionic (amine) functionality in addition to a conventional C8 functionality. |
| 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 angstrom units. |
| L30 | Ethyl silane chemically bonded to totally porous silica particles, 3 to 10 µm in diameter. |
| L31 | A 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 angstrom units and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene. |
| L32 | A chiral ligand-exchange packing - L-proline copper complex covalently bonded to irregularly shaped silica particles, 5 to 10 µm in diameter. |
| L33 | Packing having the capacity to separate proteins by molecular size over a range of 4,000 to 400,000 daltons. It is spherical, silica-based, and processed to provide pH stability. |
| L34 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the lead form, about 9 µm in diameter. |
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