Thermo Fisher, 290VA191, Ferrules for Thermo Scientific™ and Agilent™ Instruments

Name: Ferrules for Thermo Scientific™ and Agilent™ Instruments
Brand: Thermo Fisher
SKU: 290VA191

Material: 15% Graphite, 85% Vespel, Diameter (Metric): For 0.1 to 0.25 mm ID column, Unit Size: Pack of 10, Use Thermo Scientific™ Ferrules Instruments to ensure optimal performance of your Thermo Scientific and Agilent GC instrument. They are available in three different materials and in various dimensions to accommodate a range of instruments and applications.

Catalog Number: 290VA191

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General

Diameter (Metric)	For 0.1 to 0.25 mm ID column
Quantity	Pack of 10
For Use With (Equipment)	SSL Injectors and detectors of Thermo Scientific TRACE 1300/1600 series or Agilent GC instruments
Material	15% Graphite, 85% Vespel
Type	Ferrule
Unit Size	Pack of 10

FAQs

Question: Which column internal diameters are supported?

Answer:The ferrule is specified for 0.10–0.25 mm internal-diameter capillary GC columns.

Question: What is the ferrule material?

Answer:The sealing ferrule contains 15% graphite/85% Vespel.

Question: How many ferrules are included and where are they used?

Answer:Ten ferrules per pack, for compatible Thermo TRACE and Agilent GC inlet or non-MS detector connections.

Application Note

The Thermo Scientific GC ferrule is a sealing component for compatible Thermo Scientific TRACE 1300/1600 and Agilent gas chromatography injectors and non-mass-spectrometric detector connections. The specified ferrule composition is 15% graphite/85% Vespel, and the component is sized for capillary GC columns with 0.10–0.25 mm internal diameter. Ferrule selection is controlled by the receiving fitting and column outside-diameter range, not by the analytical method alone. The graphite/Vespel composite is different from the all-graphite ferrule option and is not a universal fit across column diameters. During column installation, cut the capillary squarely, feed it through the correct nut and ferrule, and set insertion depth using the inlet or detector procedure. Tighten only as recommended to obtain a gas-tight connection without crushing the column or damaging the fitting. After heating the GC to the method temperature, leak-check the connection and monitor carrier-gas stability, baseline and peak shape. Replace a deformed or contaminated ferrule rather than repeatedly retightening it. The package contains ten ferrules for routine replacement during GC column maintenance.

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