Hersteller / Welch Materials

Welch Materials

Welch Materials Inc. is manufacturer of HPLC-columns, Solid Phase Extraction (SPE) products, GC columns, bulk material and chromatography accessories. The company was founded 2003 in Maryland, USA and Shanghai, China by several PhD scientist, who gained much experience in the field of chromatography. Welch Material’s HPLC brand names are Ultisil (in China promoted as Ultimate), Xtimate and Topsil, which are listed in the official United States Pharmacopeia.

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Ghost-Buster Column 4.6x50 mm, HPLC Column

WE-06100-31000

€392.00 €352.80

Product Type: HPLC Column Delivery Time: approx. 1 days Column Type: Analytical Column Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Silica Internal Diameter: 4.6 mm Length: 50 mm Particle Morphology: spherical Technology: HPLC

Ghost-Buster HP Column 2.1x50 mm, UHPLC Column

WE-06100-31025

€495.00

Product Type: HPLC Column Delivery Time: approx. 7 days Column Type: Analytical Column Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Silica Internal Diameter: 2.1 mm Length: 50 mm Particle Morphology: spherical Pressure Stability: 1034 bar Technology: U(H)PLC

Xtimate® SEC-300, 5µm, 7.8x300mm, HPLC Column

WE-00237-33052

€947.00

Product Type: SEC/GPC Columns Delivery Time: approx. 7 days Chemistry: Diol Column Type: Semi-preparative Column Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Hybrid Internal Diameter: 7.8 mm Length: 300 mm Particle Morphology: spherical, fully porous pH Minimum: 2.0 pH Maximum: 7.5 Pressure Stability: 241 bar Pore Size: 300 Å Technology: HPLC Temperature Maximum [°C]: 80

Ghost-Buster II 50x4.0mm, HPLC Column

WE-06100-31008

€392.00

Product Type: HPLC Column Delivery Time: approx. 7 days Column Type: Analytical Column Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Silica Internal Diameter: 4.0 mm Length: 50 mm Particle Morphology: spherical Technology: HPLC

Ultisil® XB-C18, 5µm, 4.6x250mm, HPLC Column

WE-H00201-31043

€402.00

Product Type: HPLC Column Bet Surface Area [m2/g]: 320.0 Carbon Load: 17.0 % Delivery Time: approx. 7 days Chemistry: C18 (RP-18, ODS, Octadecyl) Column Type: Analytical Column Endcapping: endcapped Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Silica Internal Diameter: 4.6 mm Length: 250 mm Number Theoretical Plates: > 80000 Particle Morphology: spherical, fully porous pH Minimum: 1.5 pH Maximum: 10.0 Pore Size: 120 Å Technology: HPLC USP Class: L1

Xtimate® C18, 5µm, 4.6x250mm, HPLC Column

WE-00101-21043

€490.00

Product Type: HPLC Column Bet Surface Area [m2/g]: 320.0 Carbon Load: 14.0 % Delivery Time: approx. 7 days Chemistry: C18 (RP-18, ODS, Octadecyl) Column Type: Analytical Column Endcapping: endcapped Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Hybrid Internal Diameter: 4.6 mm Length: 250 mm Number Theoretical Plates: > 90000 Particle Morphology: spherical, fully porous pH Minimum: 1.0 pH Maximum: 12.5 Pore Size: 120 Å Technology: HPLC USP Class: L1

Ultisil® XB-C8, 5µm, 300Å, 4.6x150mm, HPLC Column

WE-H00202-33041

€427.00

Product Type: HPLC Column Bet Surface Area [m2/g]: 90.0 Carbon Load: 4.0 % Delivery Time: approx. 7 days Chemistry: C8 (RP-8, MOS, Octyl) Column Type: Analytical Column Endcapping: endcapped Manufacturer: Welch Materials Hardware Type: Ready-to-use Column Matrix: Silica Internal Diameter: 4.6 mm Length: 150 mm Number Theoretical Plates: > 80000 Particle Morphology: spherical, fully porous pH Minimum: 1.5 pH Maximum: 10.0 Pore Size: 300 Å Technology: HPLC USP Class: L7

GC column for alkyl mercury, 15m×0.53mm×0.5μm

WE-05971-51002

€468.00

Product Type: GC Column Delivery Time: approx. 7 days Manufacturer: Welch Materials Film Thickness [µm]: 0.5 µm Internal Diameter: 0.53 mm Length: 15 m

GC column for fatty acids in aoybean oil, 30m×0.32mm×0.5μm

WE-05945-32002

€844.00

Product Type: GC Column Delivery Time: approx. 7 days Manufacturer: Welch Materials Film Thickness [µm]: 0.5 µm Internal Diameter: 0.32 mm Length: 30 m

GC column for organophosphorus pesticide residues, 30m×0.32mm×0.5μm

WE-05939-32002

€844.00

Product Type: GC Column Delivery Time: approx. 7 days Manufacturer: Welch Materials Film Thickness [µm]: 0.5 µm Internal Diameter: 0.32 mm Length: 30 m

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welch_ultisil_xb-c18_determination-of-acrylamide-in-food_hplc_applications.pdf

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