What is Gas Chromatography?

Gas chromatography (GC) is a powerful analytical technique used to separate, identify, and quantify individual chemical components in complex mixtures. It is a type of chromatography that separates components in a mixture based on the difference in partitioning behavior between mobile and stationary phases. It works by introducing a sample into a stream of inert gas, which carries the sample through the packed column. The mobile phase is usually an inert gas and the stationary phase can be solid or liquid. It is widely used in various fields, including pharmaceuticals, cosmetics, environmental toxins, and forensic science.

Gas Chromatography Definition

Gas chromatography (GC) is an analytical technique used to separate individual chemical components in complex mixtures and analyze those components.

Gas Chromatography

Gas Chromatography (GC) is a technique used in analytical chemistry for separating and analyzing volatile compounds in a mixture. This technique uses a mobile phase to carry the sample through the stationary phase. The compounds interact with the stationary phase at different rates, resulting in distinct retention times and separation of the components. Mikhail Semenovich Tsvett discovered it in the early 1900s to separate compounds. It can analyze volatile mixtures in human breath, blood, saliva, and air samples.

In this article, we look into what gas chromatography is, its definition, principle, separation mechanism, types, etc.

Table of Content

  • What is Gas Chromatography?
  • Instruments of Gas Chromatography
  • Principles of Gas Chromatography
  • Process of Gas Chromatography
  • Types of gas chromatography
  • Applications of Gas Chromatography

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What is Gas Chromatography?

Gas chromatography (GC) is a powerful analytical technique used to separate, identify, and quantify individual chemical components in complex mixtures. It is a type of chromatography that separates components in a mixture based on the difference in partitioning behavior between mobile and stationary phases. It works by introducing a sample into a stream of inert gas, which carries the sample through the packed column. The mobile phase is usually an inert gas and the stationary phase can be solid or liquid. It is widely used in various fields, including pharmaceuticals, cosmetics, environmental toxins, and forensic science....

Instruments of Gas Chromatography

The instrument that performs gas chromatography is called Gas Chromatograph. The components of gas chromatograph are mentioned below:...

Principles of Gas Chromatography

The principle of gas chromatography (GC) is based on the partitioning behavior of volatile compounds between a mobile phase (usually an inert gas) and a stationary phase (liquid or solid)....

Process of Gas Chromatography

The gas chromatography (GC) process is carried out in the following steps:...

Types of Gas Chromatography

Gas chromatography (GC) can be classified into two main types:...

Applications of Gas Chromatography

Gas Chromatography has got various applications in industrial and research processes. Let’s have a look into some of the applications of gas chromatography:...

Advantages of Gas Chromatography

Gas chromatography (GC) offers several advantages that make it a widely used analytical technique:...

Limitations of Gas Chromatography

Gas chromatography (GC) has several limitations and challenges that must be considered:...

Gas Chromatography FAQs

What is a gas chromatography?...