How to use inductively coupled plasma? 2

Preparation method

The preparation of ICP usually requires the following steps:

1. Gas selection: Firstly, select a suitable gas, usually an inert gas such as argon, as it can ensure the stability and purity of the plasma.

2. Gas purification: Ensure the purity of the gas, remove impurities, and avoid affecting the properties of the plasma.diode

3. Radio frequency power source: Choose a suitable radio frequency (RF) power source, typically with a frequency between tens of kHz and a few MHz, to provide sufficient energy to generate plasma.

4. Electromagnetic coil design: Design appropriate electromagnetic coils to generate the required alternating magnetic field, effectively exciting electrons in the gas to ionize.diode

Application field

1. Spectral analysis:

An important application of ICP is in spectroscopic analysis, particularly ICP-MS (inductively coupled plasma mass spectrometry) and ICP-OES (inductively coupled plasma emission spectroscopy). These technologies utilize the high-temperature properties of plasma to excite and emit specific wavelengths of light or ionize sample atoms or ions. By analyzing the intensity of these lights or the ratio of ions, the content of various elements in the sample can be measured very accurately, which is applied in fields such as environmental monitoring, food safety, pharmaceuticals, geological exploration, etc.diode