Graphite furnace: main uses in instrumental equipment

The graphite furnace, very useful for working with small samples at the atomic level, is used to measure metals in some products, determining the type of mineral that each piece contains and increasing the sensitivity in each one.

With this method of material analysis, it is possible to benefit all types of industries. In addition, it offers the possibility of analyzing solid or semi-solid samples.

What is a graphite furnace and what is its rationale?

It is a graphite covered machine, which allows you to evaporate the elements through the atomic absorption spectrometry of the graphite furnace. It is also known by its acronym GFAAS (Graphite Furnace Atomic Absorption Spectrometry).

By placing a sample inside a graphite tube, which absorbs the heat, the characteristics of the introduced element become more visible and can be better calibrated.

The basics of the furnace are:

1. Maintain the temperature, while the elements evaporate 2.
2. Strict control for the separation of atoms.
3. It has a high sensitivity, which allows it to provide 100% effective data.
4. It is compact and has an affordable price
5. Atomic absorption in the furnace

Atomic absorption in the graphite furnace is used as a reliable method of analysis, as it destroys the element into atoms by creating a sample in the form of a mist, which is consumed in the flame process.

The flame has a low temperature, to desolvate and atomize the element and to know how much analyte it has; due to the sensitivity obtained.

Also, graphite electrodes for electric arc furnace are used in the process to maintain the electrical conductivity to melt different elements such as: minerals, iron, raw materials, among others.

Why is Graphite Furnace Atomic Absorption Spectrometry (GFAAS) used?

Because GFAAS helps to optimize the process. Because it provides a simple and easy analysis of the content. Also, it determines variations in the element and thus defines its use.

It is important to mention that by using graphite tubes; you improve the performance of the furnace. In addition, you ensure the temperature properties of the process.

Consequently, it is a widely used resource in several industries. For example:

• Food and beverage
• Agriculture
• Petrochemicals
• Research and Development

With this, it demonstrates its importance and versatility, in different industries.

Graphite solutions for the industry

The graphite furnace is a basic element to know the composition of materials that allows you to work with high temperatures.

At ESGRAF we understand how indispensable graphite is, as well as how its properties enrich all kinds of processes. Request information about our graphite solutions at the following link.