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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WEL-624, 15m×0.25mm×1μm

WE-01908-21003

€487.00

Product Type: GC Column Base Material: 6% Cyanopropylphenyl 94% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 624 (624MS) Manufacturer: Welch Materials Film Thickness [µm]: 1 µm Internal Diameter: 0.25 mm Length: 15 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-624, 15m×0.25mm×0.5μm

WE-01908-21002

€470.00

Product Type: GC Column Base Material: 6% Cyanopropylphenyl 94% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 624 (624MS) Manufacturer: Welch Materials Film Thickness [µm]: 0.5 µm Internal Diameter: 0.25 mm Length: 15 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-624, 15m×0.25mm×0.25μm

WE-01908-21001

€470.00

Product Type: GC Column Base Material: 6% Cyanopropylphenyl 94% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 624 (624MS) Manufacturer: Welch Materials Film Thickness [µm]: 0.25 µm Internal Diameter: 0.25 mm Length: 15 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-624, 15m×0.20mm×0.5μm

WE-01908-11002

€470.00

Product Type: GC Column Base Material: 6% Cyanopropylphenyl 94% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 624 (624MS) Manufacturer: Welch Materials Film Thickness [µm]: 0.5 µm Internal Diameter: 0.2 mm Length: 15 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-624, 15m×0.20mm×0.25μm

WE-01908-11001

€470.00

Product Type: GC Column Base Material: 6% Cyanopropylphenyl 94% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 624 (624MS) Manufacturer: Welch Materials Film Thickness [µm]: 0.25 µm Internal Diameter: 0.2 mm Length: 15 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-225, 60m×0.53mm×1μm

WE-01919-54003

€1,228.00

Product Type: GC Column Base Material: 50% Cyanopropylphenyl 50% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 225 (225MS) Manufacturer: Welch Materials Film Thickness [µm]: 1 µm Internal Diameter: 0.53 mm Length: 60 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-225, 60m×0.32mm×2μm

WE-01919-34005

€1,043.00

Product Type: GC Column Base Material: 50% Cyanopropylphenyl 50% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 225 (225MS) Manufacturer: Welch Materials Film Thickness [µm]: 2 µm Internal Diameter: 0.32 mm Length: 60 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-225, 60m×0.32mm×1μm

WE-01919-34003

€923.00

Product Type: GC Column Base Material: 50% Cyanopropylphenyl 50% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 225 (225MS) Manufacturer: Welch Materials Film Thickness [µm]: 1 µm Internal Diameter: 0.32 mm Length: 60 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-225, 60m×0.32mm×0.5μm

WE-01919-34002

€874.00

Product Type: GC Column Base Material: 50% Cyanopropylphenyl 50% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 225 (225MS) Manufacturer: Welch Materials Film Thickness [µm]: 0.5 µm Internal Diameter: 0.32 mm Length: 60 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

WEL-225, 60m×0.32mm×0.25μm

WE-01919-34001

€874.00

Product Type: GC Column Base Material: 50% Cyanopropylphenyl 50% methylpolysiloxane Delivery Time: approx. 7 days Chemistry: 225 (225MS) Manufacturer: Welch Materials Film Thickness [µm]: 0.25 µm Internal Diameter: 0.32 mm Length: 60 m Temperature Minimum [°C]: 40 Temperature Maximum [°C]: 240

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

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