Appointment

Welch HPLC Column Selection by USP Listing

HPLC ColumnParticle Size (μm)pH RangeCarbon Loading (%)Surface Area (m²/g)Endcapped
L1: Octadecyl silane chemically bonded to porous silica or ceramic microparticles, 1.5 to 10 μm in diameter, or a monolithic rod.
Ultisil XB-C183, 5, 101.5-10.0320(120Å), 90(300Å)Yes17%(120Å), 8%(300Å)
Ultisil AQ-C183, 5, 101.5-10.0320(120Å)Yes12%(120Å)
Ultisil LP-C183, 5, 100.5-8.0320(120Å), 90(300Å)No10%(120Å), 5%(300Å)
Ultisil LP-AQ51.0-8.0320(120Å)No5%(120Å)
Ultisil Polar-RP3, 5, 101.5-10.0320(120Å)Yes18%(120Å)
Ultisil AA (Amino Acid)51.5-10.0320(120Å)Yes17%(120Å)
Ultisil Amino Acid Plus51.0-7.0320(120Å)Yes10%(120Å)
Ultisil OAA51.0-7.0320(120Å)Yes10%(120Å)
Ultisil PAH3, 51.5-10.0320(120Å)No22%(120Å)
Ultisil ALK C1851.5-10.0320(120Å)Yes12%(120Å)
Boltimate C18 (Core-shell)2.72.0-8.0120(90Å)No9%(90Å)
Boltimate EXT-C18 (Core-shell)2.72.0-8.0120(90Å)Yes8%(90Å)
Boltimate LP-C18 (Core-shell)2.72.0-8.0120(90Å)Yes7%(90Å)
Ultisil UHPLC XB-C181.81.5-10.0300(100Å)Yes14%(100Å)
Ultisil UHPLC AQ-C181.81.5-10.0300(100Å)Yes10%(100Å)
Ultisil UHPLC LP-C181.80.5-8.0300(100Å)Yes12%(100Å)
Xtimate UHPLC C181.81.5-10.0320(120Å)Yes17%(120Å)
L3: Porous silica particles, 1.5 to 10 μm in diameter, or a mondithic silica rod.
Ultisil SiO23, 5, 102.0-8.0N/A320(120Å), 90(300Å)No
Ultisil HILIC Silica3, 5, 102.0-8.0N/A320(120Å)No
Ultisil UHPLC HILIC1.82.0-8.0N/A320(120Å)No
Topsil Silica52.0-8.0N/A260(150Å)No
Boltimate HILIC2.72.0-8.5N/A120(90Å)No
L7: Octyl silane chemically bonded to totally porous silica particles, 1.5 to 10 μm in diameter, or a monolithic silca rod.
Ultisil XB-C83, 5, 101.5-10.012%(120Å), 4%(300Å)320(120Å), 90(300Å)Yes
Ultisil LP-C83, 51.0-8.05.5%(120Å), 3%(300Å)320(120Å), 90(300Å)No
L8: An essentially monomolecular layer of aminopropyl-silane chemically bonded to totally porous silica gel support, 3 to 10 μm in diameter.
Ultisil Plus C851.5-10.07%(130Å)160(130Å)Yes
Ultisil F-C83, 51.5-10.012%(120Å)320(120Å)Yes
Xtimate C83, 5, 101.0-12.510%(120Å), 5%(300Å)320(120Å), 100(300Å)Yes
Welchrom C81.5-10.012%(120Å)320(120Å)Yes
Topsil C83, 52.0-9.510%(150Å)260(150Å)Yes
Ultisil UHPLC XB-C81.81.5-10.012%(120Å)320(120Å)Yes
Ultisil XB-NH23, 5, 102.0-8.04%(120Å)320(120Å)No
Ultisil HILIC-NH23, 5, 102.0-8.04%(120Å)320(120Å)No
Topsil NH22.0-8.03%(150Å)260(150Å)No
Topsil HILIC-NH22.0-8.03%(150Å)260(150Å)No
Xtimate Lactose-NH252.0-8.07%(120Å)450(120Å)No
L9: Irregular or spherical, totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating, 3 to 10 μm in diameter.
Ultisil XB-SCX3, 5, 102.0-8.012%(120Å), 5%(300Å)320(120Å), 90(300Å)No
Xtimate XB-SCX3, 5, 102.0-8.02%(120Å)350(120Å)No
L10: Nitrile groups chemically bonded to porous silica particles, 3 to 10 μm in diameter.
Ultisil XB-CN3, 5, 101.5-9.07%(120Å)320(120Å)Yes
Ultisil LP-CN51.0-8.06%(120Å)320(120Å)No
Xtimate CN51.0-12.57%(120Å)320(120Å)Yes
Topsil CN52.0-8.06%(150Å)260(150Å)Yes
L11: Phenyl groups chemically bonded to porous silica particles, 1.5 to 10 μm in diameter.
Ultisil Phenyl-Ether51.5-10.012%(120Å)320(120Å)Yes
Ultisil PFP3, 51.5-10.012%(120Å)320(120Å)Yes
Ultisil Plus Phenyl51.5-10.08%(130Å)160(130Å)Yes
Xtimate Phenyl-hexyl3, 51.0-12.512%(120Å)320(120Å)Yes
Topsil Phenyl-hexyl3, 52.0-9.512%(150Å)260(150Å)Yes
Boltimate Phenyl-hexyl (Core-shell)2.72.0-8.57%(90Å)120(90Å)Yes
Boltimate EXT-PFP (Core-shell)2.71.5-12.05%(90Å)120(90Å)Yes
Blossmate Phenyl3.51.5-10.01%(450Å)15(450Å)Yes
Ultisil UHPLC XB-Phenyl1.81.5-10.012%(120Å)320(120Å)Yes
L13: Trimethylsilane chemically bonded to porous silica particles, 3 to 10 μm in diameter.
Ultisil XB-C15 μm1.5-10.04%(120Å)320(120Å)Yes
L14: Silica gel with a chemically bonded, strongly basic quaternary ammonium anion-exchange coating, 5 to 10 μm in diameter.
Ultisil XB-SAX3, 5, 10 μm2.0-8.07.5%(120Å), 1.5%(300Å)320(120Å), 90(300Å)No
Blossmate SAX5 μm2.0-8.06.5%(300Å)300(120Å)No
L17: Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 to 11 μm in diameter.
Xtimate Sugar-H5, 8 μm1.0-3.0N/AN/AN/A
L19: Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, 9 μm in diameter.
Xtimate Sugar-Ca5, 8 μm5.0-9.0N/AN/AN/A
L20: Dihydroxypropane groups chemically bonded to porous silica particles, 1.5 to 10 μm in diameter.
Ultisil Diol3, 5, 10 μm2.0-8.02.5%(120Å)320(120Å)N/A
L21: A rigid, spherical styrene-divinylbenzene copolymer, 3 to 30 μm in diameter.
Xtimate PS/DVB5, 10 μm1.0-14.0N/A(100Å, 300Å)N/AN/A
L22: A cation-exchange resin made of porous polystyrene gel with sulfonic acid groups, about 10 μm in size.
Xtimate Sugar-H5, 8 μm1.0-3.0N/AN/AN/A
L26: Butyl silane chemically bonded to totally porous silica particles, 3 to 10 μm in diameter.
Ultisil XB-C43, 5, 10 μm1.5-10.08%(120Å), 3%(300Å)320(120Å), 90(300Å)Yes
Xtimate C43, 5 μm1.0-12.58%(120Å)320(120Å)Yes
Blossmate C43.5 μm1.5-10.00.5%(450Å)15(450Å)Yes
L33: Packing having the capacity to separate dextrans of 4,000 to 500,000 daltons. It is spherical, silica-based and processed to provide pH stability.
Xtimate SEC-1203, 5 μm2.0-7.5N/A(120Å)N/AN/A
Xtimate SEC-3003, 5 μm2.0-7.5N/A(300Å)N/AN/A
L40: Cellulose tris-3,5-dimethylphenylcarb-amate coated porous silica particles, 5 to 20 µm in diameter.
Ultisil Cellu-D5, 10 μm2.0-9.0N/A(120Å)320(120Å)N/A
L43: Pentafluoro phenyl groups chemically bonded to silica particles 5 to 10 μm in diameter.
Ultisil PFP3, 5 μm1.5-10.013%(120Å)320(120Å)Yes
Boltimate EXT-PFP(Core-shell)2.7 μm1.5-12.05%(90Å)120(90Å)Yes
L51: Amylose tris-3,5-dimethylphenylcarbamate-coated, porous, spherical, silica particles, 5 to 10 μm in diameter.
Ultisil Amy-D5, 10 μm2.0-9.0N/A(120Å)320(120Å)N/A
L56: Propyl silane chemically bonded to totally porous silica particles, 3 to 10 μm in diameter.
Ultisil LP-C35 μm1.0-8.04%(120Å)320(120Å)No
L59: Packing having the capacity to separate proteins by molecular weight over the range of 5 to 7000 kDa. It is spherical (1.5-10 μm), silica-based, and processed to provide hydrophilic characteristics and pH stability.
Xtimate SEC-1203, 5 μm2.0-7.5N/A(120Å)N/A
Xtimate SEC-3003, 5 μm2.0-7.5N/A(300Å)N/A
Xtimate SEC-5005 μm2.0-7.5N/A(500Å)N/A
L60: Spherical, porous silica gel, 10 μm or less in diameter, surface has been covalently modified with alkyl amide groups and endcapped.
Ultisil Polar-RP3, 5, 10 μm1.5-10.018%(120Å)Yes
Xtimate Polar-RP5 μm1.0-12.516%(120Å)Yes
Ultisil UHPLC Polar-RP1.8 μm1.5-10.018%(120Å)Yes
L62: C30 silane bonded phase on a fully porous spherical silica, 3 to 15 μm in diameter.
Ultisil XB-C303, 5, 10 μm1.5-10.022%(120Å)Yes
L68: Spherical, porous silica, 10 µm or less in diameter, the surface of which has been covalently modified with alkyl amide groups and not endcapped.
Ultisil HILIC Amide3, 5, 10 μm2.0-8.07%(120Å)320(120Å)
Blossmate Polar-Propylamide5 μm2.0-8.0N/A300(120Å)
L96: Alkyl chain, reversed-phase bonded to totally or superficially porous silica designed to retain hydrophilic and other polar compounds when using highly aqueous mobile phases.
Ultisil AQ-C183, 5, 10 μm1.5-10.012%(120Å)320(120Å)Yes
Ultisil LP-AQ5 μm1.0-8.05%(120Å)320(120Å)No
L107: Cellulose tris(4-methylbenzoate)-coated porous spherical particles, 3 to 5 μm in diameter, for use with reversed phase mobile phases.
Ultisil Cellu-JR5, 10 μm2.0-9.0N/A(120Å)320(120Å)N/A
L114: Sulfobetaine graft-polymerized to totally or superficially porous silica, 1.5 to 10 μm in diameter, or a monolithic rod. Packing having densely bonded zwitterionic groups with 1:1 charge balance.
Ultisil HILIC Amphion II5 μm2.0-8.06%(120Å)N/A
L118: Aqueous polymerized C18 groups on silica particles, 1.2 to 5 μm in diameter.
Ultisil PAH3, 5 μmNot included in USP List320(120Å)N/A
Ultisil MM NH2/CN1.5-10.022%(120Å)320(120Å)No
Ultisil MM C18/SCX5 μm2.0-8.0N/A(120Å)320(120Å)N/A
Ultisil ZnN/AN/A320(120Å)N/A
Ultisil Lead oxideN/AN/A320(120Å)N/A
Ultisil Amy-SR5, 10 μm2.0-9.0N/A(120Å)N/A
Ultisil Amy-DR5, 10 μm2.0-9.0N/A(120Å)320(120Å)N/A

Welch HPLC Columns: Precision and Performance in Chromatography

Welch HPLC (High-Performance Liquid Chromatography) columns are widely recognized for their superior quality, consistency, and efficiency in chromatographic separations. These columns are designed to deliver high resolution, reproducibility, and extended column lifetime, making them suitable for pharmaceutical, environmental, food safety, and chemical analysis applications.

Welch HPLC Column Selection by USP Listing

Responsive Table
HPLC Column Particle Size (μm) pH Range Carbon Loading (%) Surface Area (m²/g) Endcapped
L1: Octadecyl silane chemically bonded to porous silica or ceramic microparticles, 1.5 to 10 μm in diameter, or a monolithic rod.
Ultisil XB-C18 3, 5, 10 1.5-10.0 320(120Å), 90(300Å) 17%(120Å), 8%(300Å) Yes
Ultisil AQ-C18 3, 5, 10 1.5-10.0 320(120Å) 12%(120Å) Yes
Ultisil LP-C18 3, 5, 10 0.5-8.0 320(120Å), 90(300Å) 10%(120Å), 5%(300Å) No
Ultisil LP-AQ 5 1.0-8.0 320(120Å) 5%(120Å) No
Ultisil Polar-RP 3, 5, 10 1.5-10.0 320(120Å) 18%(120Å) Yes
Ultisil AA (Amino Acid) 5 1.5-10.0 320(120Å) 17%(120Å) Yes
Ultisil Amino Acid Plus 5 1.0-7.0 320(120Å) 10%(120Å) Yes
Ultisil OAA 5 1.0-7.0 320(120Å) 10%(120Å) Yes
Ultisil PAH 3, 5 1.5-10.0 320(120Å) 22%(120Å) No
Ultisil ALK C18 5 1.5-10.0 320(120Å) 12%(120Å) Yes
Boltimate C18 (Core-shell) 2.7 2.0-8.0 120(90Å) 9%(90Å) No
Boltimate EXT-C18 (Core-shell) 2.7 2.0-8.0 120(90Å) 8%(90Å) Yes
Boltimate LP-C18 (Core-shell) 2.7 2.0-8.0 120(90Å) 7%(90Å) Yes
Ultisil UHPLC XB-C18 1.8 1.5-10.0 300(100Å) 14%(100Å) Yes
Ultisil UHPLC AQ-C18 1.8 1.5-10.0 300(100Å) 10%(100Å) Yes
Ultisil UHPLC LP-C18 1.8 0.5-8.0 300(100Å) 12%(100Å) Yes
Xtimate UHPLC C18 1.8 1.5-10.0 320(120Å) 17%(120Å) Yes
L3: Porous silica particles, 1.5 to 10 μm in diameter, or a mondithic silica rod.
Ultisil SiO2 3, 5, 10 2.0-8.0 N/A 320(120Å), 90(300Å) No
Ultisil HILIC Silica 3, 5, 10 2.0-8.0 N/A 320(120Å) No
Ultisil UHPLC HILIC 1.8 2.0-8.0 N/A 320(120Å) No
Topsil Silica 5 2.0-8.0 N/A 260(150Å) No
Boltimate HILIC 2.7 2.0-8.5 N/A 120(90Å) No
L7: Octyl silane chemically bonded to totally porous silica particles, 1.5 to 10 μm in diameter, or a monolithic silca rod.
Ultisil XB-C8 3, 5, 10 1.5-10.0 12%(120Å), 4%(300Å) 320(120Å), 90(300Å) Yes
Ultisil LP-C8 3, 5 1.0-8.0 5.5%(120Å), 3%(300Å) 320(120Å), 90(300Å) No
L8: An essentially monomolecular layer of aminopropyl-silane chemically bonded to totally porous silica gel support, 3 to 10 μm in diameter.
Ultisil Plus C8 5 1.5-10.0 7%(130Å) 160(130Å) Yes
Ultisil F-C8 3, 5 1.5-10.0 12%(120Å) 320(120Å) Yes
Xtimate C8 3, 5, 10 1.0-12.5 10%(120Å), 5%(300Å) 320(120Å), 100(300Å) Yes
Welchrom C8 5 μm 1.5-10.0 12%(120Å) 320(120Å) Yes
Topsil C8 3, 5 2.0-9.5 10%(150Å) 260(150Å) Yes
Ultisil UHPLC XB-C8 1.8 1.5-10.0 12%(120Å) 320(120Å) Yes
Ultisil XB-NH2 3, 5, 10 2.0-8.0 4%(120Å) 320(120Å) No
Ultisil HILIC-NH2 3, 5, 10 2.0-8.0 4%(120Å) 320(120Å) No
Topsil NH2 5 2.0-8.0 3%(150Å) 260(150Å) No
Topsil HILIC-NH2 5 2.0-8.0 3%(150Å) 260(150Å) No
Xtimate Lactose-NH2 5 2.0-8.0 7%(120Å) 450(120Å) No
L9: Irregular or spherical, totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating, 3 to 10 μm in diameter.
Ultisil XB-SCX 3, 5, 10 2.0-8.0 12%(120Å), 5%(300Å) 320(120Å), 90(300Å) No
Xtimate XB-SCX 3, 5, 10 2.0-8.0 2%(120Å) 350(120Å) No
L10: Nitrile groups chemically bonded to porous silica particles, 3 to 10 μm in diameter.
Ultisil XB-CN 3, 5, 10 1.5-9.0 7%(120Å) 320(120Å) Yes
Ultisil LP-CN 5 1.0-8.0 6%(120Å) 320(120Å) No
Xtimate CN 5 1.0-12.5 7%(120Å) 320(120Å) Yes
Topsil CN 5 2.0-8.0 6%(150Å) 260(150Å) Yes
L11: Phenyl groups chemically bonded to porous silica particles, 1.5 to 10 μm in diameter.
Ultisil Phenyl-Ether 5 1.5-10.0 12%(120Å) 320(120Å) Yes
Ultisil PFP 3, 5 1.5-10.0 12%(120Å) 320(120Å) Yes
Ultisil Plus Phenyl 5 1.5-10.0 8%(130Å) 160(130Å) Yes
Xtimate Phenyl-hexyl 3, 5 1.0-12.5 12%(120Å) 320(120Å) Yes
Topsil Phenyl-hexyl 3, 5 2.0-9.5 12%(150Å) 260(150Å) Yes
Boltimate Phenyl-hexyl (Core-shell) 2.7 2.0-8.5 7%(90Å) 120(90Å) Yes
Boltimate EXT-PFP (Core-shell) 2.7 1.5-12.0 5%(90Å) 120(90Å) Yes
Blossmate Phenyl 3.5 1.5-10.0 1%(450Å) 15(450Å) Yes
Ultisil UHPLC XB-Phenyl 1.8 1.5-10.0 12%(120Å) 320(120Å) Yes
L13: Trimethylsilane chemically bonded to porous silica particles, 3 to 10 μm in diameter.
Ultisil XB-C1 5 μm 1.5-10.0 4%(120Å) 320(120Å) Yes
L14: Silica gel with a chemically bonded, strongly basic quaternary ammonium anion-exchange coating, 5 to 10 μm in diameter.
Ultisil XB-SAX 3, 5, 10 μm 2.0-8.0 7.5%(120Å), 1.5%(300Å) 320(120Å), 90(300Å) No
Blossmate SAX 5 μm 2.0-8.0 6.5%(300Å) 300(120Å) No
L17: Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 to 11 μm in diameter.
Xtimate Sugar-H 5, 8 μm 1.0-3.0 N/A N/A N/A
L19: Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the calcium form, 9 μm in diameter.
Xtimate Sugar-Ca 5, 8 μm 5.0-9.0 N/A N/A N/A
L20: Dihydroxypropane groups chemically bonded to porous silica particles, 1.5 to 10 μm in diameter.
Ultisil Diol 3, 5, 10 μm 2.0-8.0 2.5%(120Å) 320(120Å) N/A
L21: A rigid, spherical styrene-divinylbenzene copolymer, 3 to 30 μm in diameter.
Xtimate PS/DVB 5, 10 μm 1.0-14.0 N/A(100Å, 300Å) N/A N/A
L22: A cation-exchange resin made of porous polystyrene gel with sulfonic acid groups, about 10 μm in size.
Xtimate Sugar-H 5, 8 μm 1.0-3.0 N/A N/A N/A
L26: Butyl silane chemically bonded to totally porous silica particles, 3 to 10 μm in diameter.
Ultisil XB-C4 3, 5, 10 μm 1.5-10.0 8%(120Å), 3%(300Å) 320(120Å), 90(300Å) Yes
Xtimate C4 3, 5 μm 1.0-12.5 8%(120Å) 320(120Å) Yes
Blossmate C4 3.5 μm 1.5-10.0 0.5%(450Å) 15(450Å) Yes
L33: Packing having the capacity to separate dextrans of 4,000 to 500,000 daltons. It is spherical, silica-based and processed to provide pH stability.
Xtimate SEC-120 3, 5 μm 2.0-7.5 N/A(120Å) N/A N/A
Xtimate SEC-300 3, 5 μm 2.0-7.5 N/A(300Å) N/A N/A
L40: Cellulose tris-3,5-dimethylphenylcarb-amate coated porous silica particles, 5 to 20 µm in diameter.
Ultisil Cellu-D 5, 10 μm 2.0-9.0 N/A(120Å) 320(120Å) N/A
L43: Pentafluoro phenyl groups chemically bonded to silica particles 5 to 10 μm in diameter.
Ultisil PFP 3, 5 μm 1.5-10.0 13%(120Å) 320(120Å) Yes
Boltimate EXT-PFP(Core-shell) 2.7 μm 1.5-12.0 5%(90Å) 120(90Å) Yes
L51: Amylose tris-3,5-dimethylphenylcarbamate-coated, porous, spherical, silica particles, 5 to 10 μm in diameter.
Ultisil Amy-D 5, 10 μm 2.0-9.0 N/A(120Å) 320(120Å) N/A
L56: Propyl silane chemically bonded to totally porous silica particles, 3 to 10 μm in diameter.
Ultisil LP-C3 5 μm 1.0-8.0 4%(120Å) 320(120Å) No
L59: Packing having the capacity to separate proteins by molecular weight over the range of 5 to 7000 kDa. It is spherical (1.5-10 μm), silica-based, and processed to provide hydrophilic characteristics and pH stability.
Xtimate SEC-120 3, 5 μm 2.0-7.5 N/A(120Å) N/A N/A
Xtimate SEC-300 3, 5 μm 2.0-7.5 N/A(300Å) N/A N/A
Xtimate SEC-500 5 μm 2.0-7.5 N/A(500Å) N/A N/A
L60: Spherical, porous silica gel, 10 μm or less in diameter, surface has been covalently modified with alkyl amide groups and endcapped.
Ultisil Polar-RP 3, 5, 10 μm 1.5-10.0 18%(120Å) 320(120Å) Yes
Xtimate Polar-RP 5 μm 1.0-12.5 16%(120Å) 320(120Å) Yes
Ultisil UHPLC Polar-RP 1.8 μm 1.5-10.0 18%(120Å) 320(120Å) Yes
L62: C30 silane bonded phase on a fully porous spherical silica, 3 to 15 μm in diameter.
Ultisil XB-C30 3, 5, 10 μm 1.5-10.0 22%(120Å) 320(120Å) Yes
L68: Spherical, porous silica, 10 µm or less in diameter, the surface of which has been covalently modified with alkyl amide groups and not endcapped.
Ultisil HILIC Amide 3, 5, 10 μm 2.0-8.0 7%(120Å) 320(120Å) N/A
Blossmate Polar-Propylamide 5 μm 2.0-8.0 N/A 300(120Å) N/A
L96: Alkyl chain, reversed-phase bonded to totally or superficially porous silica designed to retain hydrophilic and other polar compounds when using highly aqueous mobile phases.
Ultisil AQ-C18 3, 5, 10 μm 1.5-10.0 12%(120Å) 320(120Å) Yes
Ultisil LP-AQ 5 μm 1.0-8.0 5%(120Å) 320(120Å) No
L107: Cellulose tris(4-methylbenzoate)-coated porous spherical particles, 3 to 5 μm in diameter, for use with reversed phase mobile phases.
Ultisil Cellu-JR 5, 10 μm 2.0-9.0 N/A(120Å) 320(120Å) N/A
L114: Sulfobetaine graft-polymerized to totally or superficially porous silica, 1.5 to 10 μm in diameter, or a monolithic rod. Packing having densely bonded zwitterionic groups with 1:1 charge balance.
Ultisil HILIC Amphion II 5 μm 2.0-8.0 6%(120Å) 320(120Å) N/A
L118: Aqueous polymerized C18 groups on silica particles, 1.2 to 5 μm in diameter.
Ultisil PAH 3, 5 μm 1.5-10.0 22%(120Å) 320(120Å) No
Not included in USP List
Ultisil MM NH2/CN 5 2.0-8.0 N/A(120Å) 320(120Å) N/A
Ultisil MM C18/SCX 5 μm 2.0-8.0 N/A(120Å) 320(120Å) N/A
Ultisil Zn N/A N/A N/A(120Å) N/A(120Å) N/A
Ultisil Lead oxide N/A N/A N/A(120Å) N/A
Ultisil Amy-SR 5, 10 μm 2.0-9.0 N/A(120Å) 320(120Å) N/A
Ultisil Amy-DR 5, 10 μm 2.0-9.0 N/A(120Å) 320(120Å) N/A

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