Inductively Coupled Plasma SpectrometerICP-OES is an inorganic element analysis instrument that uses inductively coupled plasma as an excitation source. It can simultaneously determine multiple metal and non-metal elements, adapt to constant to trace concentration analysis, and has applications covering multiple fields of scientific research and industry.

　　Inductively Coupled Plasma SpectrometerThe working principle is as follows:

The high-frequency current generated by the high-frequency oscillator is connected to the copper coil at the upper end of the plasma generating tube through a coupling system. The plasma generating tube made of quartz is equipped with three coaxial argon gas flow channels:

Cooling gas (Ar): Surrounding the plasma through external and intermediate channels, stabilizing the plasma torch and cooling the quartz tube wall to prevent the tube wall from melting due to heat.

Working gas (Ar): Introduced from the central quartz pipeline, the high-voltage discharge device is activated to ionize it. When ionized gas passes through a high-frequency induction coil, the huge thermal energy and alternating magnetic field generated by the coil cause electrons, ions, and ground state atoms to repeatedly collide, forming a plasma torch zone with a temperature of up to 6000-10000 ℃.

After the sample is processed into a solution, it is converted into a full sol by a super atomization device, introduced into the tube from the bottom, and sprayed into the plasma torch through an axial quartz tube. When the sample aerosol enters the plasma flame, the vast majority immediately decomposes into excited atoms and ions. When these excited state particles return to the ground state, they will release spectra of specific wavelengths. By measuring the characteristic spectral lines and intensities of each element and comparing them with a standard solution, the type and content of elements in the sample can be determined.