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.
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
L3 Porous silica particles, 1.5 to 10 µm in diameter, or a monolithic silica rod.
L4 Silica gel of controlled surface porosity bonded to a solid 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 Octylsilane chemically bonded to totally or superficially porous silica particles, 1.5 to 10 µm in diameter, or a monolithic silica rod.
L8 An essentially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica gel support, 1.5 to 10 µm in diameter.
L9 Irregular or spherical, totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating, 3 to 10 µm in diameter.
L10 Nitrile groups chemically bonded to porous silica particles, 1.5 to 10 µm in diameter.
L11 Phenyl groups chemically bonded to porous silica particles, 1.5 to 10 µm in diameter.
L12 A strong anion-exchange packing made by chemically bonding a quartenary amine to a solid silica spherical core, 30 to 50 µm in diameter
L13 Trimethylsilane chemically bonded to porous silica particles, 3 to 10 µm in diameter
L14 Silica gel having a chemicallly bonded, strongly basic quaternary ammonium anion-exchange coating, 5 to 10 µm in diameter.
L15 Hexylsilane 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, 6 to 12 µm in diameter.
L18 Amino and cyano groups chemically bonded to porous silica particles, 3 to 10 µ 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 groups chemically bonded to porous silica or hybrid particles, 1.5 to 10 µm in diameter.
L21 A rigid, spherical styrene-divinylbenzene copolymer, 3 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 quartenary ammonium groups, 7 - 12 µm in size.
L24 A semi-rigid hydrophilic gel consisting of vinyl polymers with numerous hydroxyl groups in the matrix surface, 32 to 63 µm in diameter.
L25 A 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.
