INTRODUCTION TO HIGH-CAPACITY SORPTIVE EXTRACTION
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SPME
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Markes Centri
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Centri A breakthrough in sample automation and concentration for GC–MS Centri ® HiSorb high-capacity sorptive extraction Convenient probes for immersive or HS sampling of liquids & solids. Fully automated multi-mode sampling and concentration system for GC–MS. Built using best-in-class robotic…
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INTRODUCTION TO TUBE-BASED THERMAL DESORPTION
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INTRODUCTION TO TUBE-BASED THERMAL DESORPTION WHAT IS IT? Tube-based thermal desorption is a technique for getting VOCs and SVOCs from a sample into a GC–MS. Samples vapours onto a sorbent-packed TD tube Uses a focusing step to enhance sensitivity Complete…
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INTRODUCTION TO SPME AND SPME–TRAP
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INTRODUCTION TO SPME AND SPME–TRAP WHAT IS IT? Solid-phase microextraction (SPME) is a technique for getting VOCs and SVOCs from a sample into a GC–MS. Uses a thin fiber to adsorb/ absorb compounds Suitable for solids (headspace) and liquids (headspace…
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INTRODUCTION TO STATIC HEADSPACE AND HEADSPACE–TRAP
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INTRODUCTION TO STATIC HEADSPACE AND HEADSPACE–TRAP WHAT IS IT? Static headspace is a technique for getting VOCs from a sample into a GC–MS. Extraction of the vapour phase above a sample Suitable for solids, gels and liquids Equilibrium technique (although…
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