New injection syringe for gas chromatogr
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J. Roeraade; G. Flodberg; S. Blomberg
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Article
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1985
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Elsevier Science
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English
โ 600 KB
A new syringe construction with a thin glass or fused-silica capillary needle is described. A gas-tight retractable needle shield allows injections through a silicone rubber membrane, without mechanically affecting the needle. Thus, sampling from closed vials can be performed as well as leak-free in