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23318-U

Supelco

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pkg of 2 ea

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分類程式碼代碼:
41121815
NACRES:
SB.54
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材料

stainless steel (gold-plated)

包裝

pkg of 2 ea

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一般說明

The inlet seal on an Agilent GC must be regularly changed to prevent sample adsorption due to accumulation of sample residue and/or septum fragments. Supelco manufactures replacement inlet seals using a high quality stainless steel plated with pure gold to insure inertness. No brighteners are used in the plating process. This straight design seal is suitable for applications with low split flows (<200 mL/min.). Each pack includes one washer for each seal.

應用

Gold-plated inlet seal may be used in the GC injection port for thermal desorption-gas chromatography/mass spectrometry (TD-GC/MS), where residual accumulation was noticed resulting in analyte adsorption and elevating signal background. Hence, replacing the gold-plated seal in regular intervals decreased the interference.[1]

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Precautions for in-injection port thermal desorption-gas chromatography/mass spectrometry (TD-GC/MS) as applied to aerosol filter samples.
Ho, Steven Sai Hang, et al.
Atmospheric Environment, 45, 1491-1496 (2011)

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