| L1 | Octadecyl silane bonded to porous silica or ceramic microparticles, 3 to 10µm in diameter. | Inertsil ODS-4, ODS-3, ODS-2 |
| L2 | Octadecyl silane chemically bonded to silica gel of a controlled surface porosity that has been bonded to a solid spherical core, 30 to 50µm in diameter | |
| L3 | Porous silica microparticles, 5µm to 10µm in diameter | Inertsil Silica 100A |
| L4 | Silica gel of controlled surface porosity bonded to a solid spherical core, 30 to 50µm in diameter. | |
| L5 | Alumina of controlled surface porosity bonded to a solid spherical core, 30 to 50µm in diameter. | |
| L6 | Strong cation-exchange packing: sulfonated fluorocarbon polymer coated on a solid spherical core, 30 to 50µm in diameter. | |
| L7 | Octylsilane bonded to totally porous microsilica particles, 3 to 10µm in diameter. | Inertsil C8-3, C8 |
| L8 | An essentially monomolecular layer of aminopropyl-silane chemically bonded to totally porous silica gel support, 10µm in diameter. | Inertsil NH2 |
| L9 | 10µm irregular totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating. | Inertsil CX |
| L10 | Nitrile groups chemically bonded to porous silica microparticles, 3 to 10µm in diameter. | Inertsil CN-3 |
| L11 | Phenyl groups chemically bonded to porous silica microparticles, 3 to 10µm in diameter. | Inertsil Ph-3, Ph |
| 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 10µm in diameter. | |
| L14 | Silica gel, 10µm in diameter, having a chemically bonded, strongly basic quaternary ammonium anion-exchange coating. | Inertsil AX |
| L15 | Hexyl silane chemically bonded to totally porous silica particles, 3 to 10µm in diameter. | |
| L16 | Dimethyl silane chemically bonded to totally porous silica particles, 3 to 10µm in diameter. | |
| L17 | Strong cation exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 to 11µm in diameter. | |
| L18 | Amino and cyano groups chemically bonded to porous silica particles, 5 to 10µm in diameter. | |
| L19 | Strong cation exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, 9µm in diameter. | |
| L20 | Dihydroxypropane groups chemically bonded to porous silica particles, 3 to 10µm in diameter. | Inertsil Diol, WP300 Diol |