Fundamentals of Static HSGC

The theory of static HS-GC is best explained using the example of a liquid sample present in a closed vial, as shown in Figure 1. The volatile analyte present in the liquid sample will evaporate into the gas phase until the concentration in both phases (CS and CG) remain constant. Equilibrium is achieved by diffusion from the sample into the gas phase and vice versa. The equilibrium constant is called the partition coefficient (K), and can be split into the mass ratio (k) and the phase ratio (ft).

The aim of every quantitative analysis is the determination of the original concentration of the analyte (C0) in the sample. The peak area (A) in a headspace

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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