USP-NF Column List

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No. Packing Material Corresponding Column
L1 Octadecyl silane chemically bonded to porous or non-porous silica or ceramic micro-particles or superficially porous particles, 1.5 to 10 µm in diameter, or a monolithic rod. Silica C18M
C18U
L17 Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 6 to 12 µm in diameter. SUGAR SH1011
SUGAR SH1821
RSpak KC-811
L19 Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, 5 – 15 µm in diameter. SUGAR SC1011
SUGAR SC1211
EP SC1011-7F
USPpak MN-431
L20

Dihydroxypropane groups chemically bonded to porous silica or hybrid particles, 1.5 to 10 µm in diameter, or a monolithic silica rod.

PROTEIN KW-800 series
KW400 series
PROTEIN LW-803
PROTEIN LW-403 4D
L21

A rigid, spherical styrene-divinylbenzene copolymer, 3 to 30 µm in diameter

GPC KF-800 series
GPC KD-800 series
GPC KF-400HQ series
GPC HK-400 series
GPC LF series
RSpak DS-613
RSpak DS-413
L22

A cation-exchange resin made of porous polystyrene gel with sulfonic acid groups, 5 – 15 µm in diameter.

CXpak P-421S
SUGAR SP0810
SUGAR SC1011
SUGAR KS-800 series
EP SC1011-7F
USPpak MN-431
SUGAR SC1211
SUGAR SZ5532
RSpak DC-613
SUGAR SH1011
SUGAR SH1821
RSpak KC-811
L23

An anion-exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, 7 - 12 µm in size.

IEC QA-825
IC I-524A
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. OHpak SB-802 HQ
OHpak SB-802.5 HQ
OHpak LB-802.5
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.

PROTEIN KW-800 series
KW400 series
PROTEIN LW-803
PROTEIN LW-403 4D
L34

Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the lead form, 7 to 9 µm in diameter.

SUGAR SP0810
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. OHpak SB-803 HQ
OHpak LB-803
L38

A methacrylate-based size-exclusion packing for water-soluble samples.

OHpak SB-800 HQ series
OHpaK LB-800 series
L39

A hydrophilic polyhydroxymethacrylate gel of totally porous spherical resin.

ODP2 HP
RSpak DM-614
OHpak SB-800 HQ series
OHpaK LB-800 series
L45 Beta cyclodextrin, R,S-hydroxypropyl ether derivative,  bonded to porous silica  particles, 3 to 10 µm in diameter ORpak CDBS-453
L58

Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the sodium form, about 6 to 30 µm diameter.

CXpak P-421S
SUGAR KS-800 series
RSpak DC-613
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.

PROTEIN KW-800 series
KW400 series
PROTEIN LW-803
PROTEIN LW-403 4D
L67 Porous vinyl alcohol copolymer with a C18 alkyl group attached to the hydroxyl group of the polymer, 2 to 10 µm in diameter. Asahipak ODP-50
L71 A rigid, spherical polymetacrylate, 4 to 6 µm in diameter. RSpak DE-613
RSpak DE-413
RSpak DE-213
L76 Silica based weak cation-exchange material, 5 µm in diameter. Substrate is surface polymerized polybutadiene-maleic acid to provide carboxylic acid functionalities. Capacity not less than 29 µEq/column. IC YK-421
L82 Polyamine chemically bonded to cross-linked polyvinyl alcohol polymer, 4 - 5 µm in diameter Asahipak NH2P-50
Asahipak NH2P-40
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). OHpak SB-802.5 HQ
OHpak LB-802.5
L125 Polyvinyl alcohol polymer gel weak cation-exchange packing material, 5 um porous particles. The surface is polymerized with polybutadiene-maleic acid to provide carboxylic acid functionalities.  The Capacity is not less than 1 mEq/column. IC YS-50
Note:
Please check USP's "Chromatographic Database" for the latest information.

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