Invention Grant
US09322750B2 Needle trap for use with a gas chromatograph-mass spectrometer for field sampling and analysis 有权
针阀用于气相色谱 - 质谱仪,用于现场抽样和分析

Needle trap for use with a gas chromatograph-mass spectrometer for field sampling and analysis
Abstract:
A system and method for improving operation of a needle trap by changing a flow path through a needle trap to enable a needle to draw a fluid sample into a working end of the needle and out through the side hole, wherein drawing the sample through the side hole eliminates the possibility of a leak through the side hole while drawing a fluid sample into the working end.
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