Category

Particle Dia.(m m)

Bonding

Description

L1

3 to 10

C18

Octadecyl silane chemically bonded to porous silica or ceramic particles.

L2

30 to 50

C18

Octadecyl silane chemically bonded to silica gel of a controlled surface

porousity that has been bonded to a solid spherical core.

L3

5 to 10

None

Porous silica microparticles

L4

30 to 50

Silica

Silica gel of controlled surface porosity bonded to a solid spherical core.

L5

30 to 50

Alumina

Alumina of controlled surface porosity bonded to a solid spherical core.

L6

30 to 50

Cation Exchange

Strong cation-exchange packing-sulfonated fluorocarbon polymer coated on a

solid spherical core.

L7

5 to 10

C8

Octyl silane chemically bonded to totally porous microsilica particles.

L8

10

NH2

An essentially monomolecular layer of aminopropylsilane chemically bonded to

totally porous silica gel support.

L9

10

Cation Exchange

Irregular, totally porous silica gel having a chemically bonded, strongly acidic

cation-exchange coating.

L10

5 to 10

Nitrile

Nitrile groups chemically bonded to porous silica microparticles.

L11

5 to 10

Phenyl

Phenyl groups chemically bonded to porous silica particles.

L12

30 to 50

Anion Exchange

Strong anion-exchange packing-quaternary amine bonded on a solid spherical

core.

L13

5 to 10

Trimethylsilane

Trimethylsilane chemically bonded to porous silica microparticles.

L14

10

Anion Exchange

Silica gel having a chemically bonded, strongly basic quaternary ammonium

anion-exchange coating.

L15

3 to 10

C6

Hexyl silane chemically bonded to totally porous silica particles.

L16

5 to 10

Dimethylsilane

Dimethylsilane chemically bonded to porous silica particles.

L17

7 to 11

Cation Exchange

Strong cation-exchange resin consisting of sulfonated cross-linked

styrene-divinylbenzene copolymer in the hydrogen form.

L18

5 to 10

NH2/CN

Amino and cyano groups chemically bonded to porous silica particles.

L19

9

Cation Exchange

Strong cation-exchange resin consisting of sulfonated cross-linked

styrene-divinylbenzene copolymer in the calcium form.

L20

5 to 10

Dihydroxypropane

Dihydroxypropane groups chemically bonded to porous silica particles.

L21

5 to 10

None

A rigid, spherical styrene-divinylbenzene copolymer.

L22

10

Cation Exchange

Cation-exchange resin made of pouous polystyrene gel with sulfonic acid

groups, about 10um in size.

L23

10

Anion Exchange

Anion exchange resin made of porous polymethacrylate or polyacrylate gel

with quaternary ammoniym groups.

L24

32 to 63

None

A semi-rigid hydrophilic gel consisting of vinyl polymers with numerous

hydroxyl groups on the matrix surface.

L25

not specified

None

Packing having the capacity to separate compounds with a molecular range

from 100 to 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.

L26

5 to 10

C4

Butyl silane chemically bonded to totally porous silica particles.

L27

30 to 50

None

Porous silica particles.

L28

not specified

C8/NH2

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 reversed phase C8 functionality.

L29

5

Polybutadiene

Gamma alumina, reversed phase, low carbon percentage by weight,

alumina-based polybutadiene spherical particles, with a pore diameter of

80 angstrom units.

L30

3 to 10

C2

Ethyl silane chemically bonded to totally porous silica particles.

L31

8.5

Anion Exchange

A strong anion-exchange resin-quaternary amine bonded on latex particles

attached to a core of macroporous particles having a pore diameter of

2000 angstrom units and consisting of ethylvinylbenzene cross-linked with

55% divinylbenzene.

L32

5 to 10

Chiral Ligand

A chiral ligand-exchange packing: L-proline copper complex covalently bonded

Exchange

to irregularly shaped silica particles.

L33

not specified

None

Packing having the capacity to separate proteins by molecular size of 4,000 to

400,000 daltons. It is spherical, silica-based, over a range and processed to

provide pH stability.