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Catalog All Vendors Welch Materials

Found 49 results

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Vendor	Brand	Mode	Modification	Int. Diam. (mm)	Length (mm)	Particle (μm)	Columns
Welch Materials	Topsil C18	Reversed-Phase	Silica/C18	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Topsil C8	Reversed-Phase	Silica/C8	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Topsil Phenyl	Reversed-Phase	Silica/Phenyl	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Topsil Silica	Normal-Phase	Silica	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Ultisil Amino Acid	Reversed-Phase	—	4	150 – 300	5	4 cols
Welch Materials	Ultisil AQ-C18	Reversed-Phase	Silica/C18	1 – 21	20 – 300	3 – 10	82 cols
Welch Materials	Ultisil C30	Reversed-Phase	Silica/C30	4	100 – 300	3 – 5	5 cols
Welch Materials	Ultisil Chiral AD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl amylos	4	250	10	1 col
Welch Materials	Ultisil Chiral AD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl amylos	4	150	10	1 col
Welch Materials	Ultisil Chiral AD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl amylos	4	250	5	1 col
Welch Materials	Ultisil Chiral AD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl amylos	4	150	5	1 col
Welch Materials	Ultisil Chiral AS	Chiral	Amylose-tris-[(S)-phenylethyl]carbamate coated sil	4	150	10	1 col
Welch Materials	Ultisil Chiral AS	Chiral	Amylose-tris-[(S)-phenylethyl]carbamate coated sil	4	150	5	1 col
Welch Materials	Ultisil Chiral AS	Chiral	Amylose-tris-[(S)-phenylethyl]carbamate coated sil	4	250	5	1 col
Welch Materials	Ultisil Chiral AS	Chiral	Amylose-tris-[(S)-phenylethyl]carbamate coated sil	4	250	10	1 col
Welch Materials	Ultisil Chiral OD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl cellul	4	250	10	1 col
Welch Materials	Ultisil Chiral OD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl cellul	4	150	10	1 col
Welch Materials	Ultisil Chiral OD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl cellul	4	150	5	1 col
Welch Materials	Ultisil Chiral OD	Chiral	Silica/ Tris-(3,5-dimethylphenyl) carbamoyl cellul	4	250	5	1 col
Welch Materials	Ultisil Chiral OJ	Chiral	Cellulose-tris[4-Methylbenzoate] coated silica	4	150 – 250	5 – 10	4 cols
Welch Materials	Ultisil F-C8	Reversed-Phase	Silica/Perfluorooctyl	2 – 4	150 – 300	3 – 5	8 cols
Welch Materials	Ultisil LP-C18	Reversed-Phase	Silica/C18	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Ultisil LP-C8	Reversed-Phase	Silica/C8	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Ultisil PAH	Reversed-Phase	Silica/C18	4	150 – 250	3 – 5	4 cols
Welch Materials	Ultisil PF-Phenyl	Reversed-Phase	Silica/Pentafluorophenyl	2 – 4	150 – 300	3 – 5	8 cols
Welch Materials	Ultisil Phenyl-Ether	Reversed-Phase	Silica/Phenyl-Ether	2 – 4	150 – 350	3 – 5	8 cols
Welch Materials	Ultisil Polar-RP	Reversed-Phase	Silica/Polar modified C18	2 – 4	150 – 350	3 – 5	9 cols
Welch Materials	Ultisil SAX	Ion Exchange	Silica/SAX	2 – 7	150 – 300	3 – 5	10 cols
Welch Materials	Ultisil SCX	Ion Exchange	Silica/SCX	2 – 7	150 – 300	3 – 5	10 cols
Welch Materials	Ultisil XB-C1	Reversed-Phase	Silica/C1	1 – 4	20 – 300	3 – 10	76 cols
Welch Materials	Ultisil XB-C18	Reversed-Phase	Silica/C18	1 – 21	20 – 300	3 – 10	86 cols
Welch Materials	Ultisil XB-C4	Reversed-Phase	Silica/C4	1 – 4	20 – 300	3 – 10	76 cols
Welch Materials	Ultisil XB-C8	Reversed-Phase	Silica/C8	1 – 21	20 – 300	3 – 10	82 cols
Welch Materials	Ultisil XB-CN	Normal-Phase/Reversed-Phase	Silica/CN	1 – 21	30 – 300	3 – 10	150 cols
Welch Materials	Ultisil XB-Diol	Normal-Phase/Reversed-Phase	Silica/Diol	2 – 4	30 – 300	3 – 10	69 cols
Welch Materials	Ultisil XB-NH2	Normal-Phase/Reversed-Phase/Anion-Exchange	Silica/Amino	2 – 4	30 – 300	3 – 10	69 cols
Welch Materials	Ultisil XB-Phenyl	Reversed-Phase	Silica/Phenyl	1 – 21	20 – 300	3 – 10	82 cols
Welch Materials	Ultisil XB-SiO2	Normal-Phase	Silica	10 – 21	50 – 250	5 – 10	6 cols
Welch Materials	Ultisil XB-SiO2	Normal-Phase/Reversed-Phase	Silica	2 – 4	30 – 300	3 – 10	69 cols
Welch Materials	Xtimate C18	Reversed-Phase	Hybrid silica-polymer/C18	2 – 50	30 – 300	3 – 10	68 cols
Welch Materials	Xtimate C4	Reversed-Phase	Hybrid silica-polymer/C4	2 – 50	30 – 300	3 – 10	68 cols
Welch Materials	Xtimate C8	Reversed-Phase	Hybrid silica-polymer/C8	2 – 50	30 – 300	3 – 10	68 cols
Welch Materials	Xtimate CN	Normal-Phase/Reversed-Phase	Hybrid silica-polymer/CN	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Xtimate CN	Reversed-Phase	Hybrid silica-polymer/CN	10 – 50	150 – 250	5 – 10	14 cols
Welch Materials	Xtimate NH2	Reversed-Phase	Hybrid silica-polymer/NH2	2 – 50	30 – 300	3 – 10	68 cols
Welch Materials	Xtimate Phenyl-Hexyl	Reversed-Phase	Hybrid silica-polymer/Phenyl-Hexyl	2 – 50	30 – 300	3 – 10	68 cols
Welch Materials	Xtimate Polar-RP	Reversed-Phase	Hybrid silica-polymer/Polar	2 – 4	30 – 300	3 – 5	54 cols
Welch Materials	Xtimate Saccharide-Ca	Reversed-Phase	Sulfonated polystyrene/ divinylbenzene	7	150 – 300	5 – 8	6 cols
Welch Materials	Xtimate Saccharide-H	Reversed-Phase	Sulfonated polystyrene/ divinylbenzene	7	150 – 300	5 – 8	6 cols

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