What is Electro Thermal Vaporization?

Thread starter pixel01
Start date Jan 17, 2010
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Vaporization

In summary, ElectroThermal Vaporization (ETV) is a technique used in analytical chemistry to convert solid samples into vapor form for analysis. Unlike other vaporization techniques, such as thermal desorption or laser ablation, ETV uses an electrical current to heat the sample, resulting in a more controlled and precise heating process. ETV can be used to analyze a wide range of samples, including solids, liquids, and gases, and is commonly used in the analysis of metals, alloys, and geological materials. The advantages of using ETV include its ability to vaporize samples without the need for chemical or solvent extraction, high sample throughput, and compatibility with small sample sizes. However, ETV can only analyze volatile components of a sample and

Jan 17, 2010

pixel01

Hi all,

Could you please explain to me in short the process " Electro Themal Vaporization".
thanks

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Jan 18, 2010

Mapes

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Resistive ("Joule") heating from an applied current can heat a material to a sufficient temperature for evaporation to occur. Is this what you mean?

Jan 20, 2010

pixel01

Thanks Mapes. That's what I expect.

Related to What is Electro Thermal Vaporization?

1. What is ElectroThermal Vaporization?

ElectroThermal Vaporization (ETV) is a technique used in analytical chemistry to convert solid samples into vapor form for analysis. It involves heating the sample to a high temperature using an electrical current, which causes the sample to vaporize and release its components.

2. How does ETV differ from other vaporization techniques?

Unlike other vaporization techniques, such as thermal desorption or laser ablation, ETV uses an electrical current to heat the sample. This allows for a more controlled and precise heating process, resulting in a more accurate analysis of the sample's components.

3. What types of samples can be analyzed using ETV?

ETV can be used to analyze a wide range of samples, including solids, liquids, and even gases. It is commonly used in the analysis of metals, alloys, and geological materials.

4. What are the advantages of using ETV?

One of the main advantages of ETV is its ability to vaporize samples without the need for chemical or solvent extraction. This reduces the risk of contamination and ensures a more accurate analysis. ETV also allows for a high sample throughput and can be used with small sample sizes.

5. Are there any limitations to using ETV?

One limitation of ETV is that it can only analyze volatile components of a sample, as non-volatile components will not vaporize at the high temperatures used. Additionally, ETV requires specialized equipment and may be more time-consuming and expensive compared to other vaporization techniques.