Conical space compression plasma detection system

Abstract

The invention discloses a conical space compression plasma detection system, a space compression technology is applied in plasma detection, and the ability of plasma detection of various elements and the detection lower limit are enhanced. The conical space compression plasma detection system is a system which can independently complete element detection and material component content detection; the system is mainly composed of a light source module, a conical compression module, a sample module, a detection module, a logic module and a display module; the logic control module is connected with the control module, the detection module and the display module; the control module achieves manipulation of the light source module and the detection module; the light source module completes work of light on the sample module through the conical compression module; the detection module is used for collecting information of the sample module and transmitting to the logic module. The plasma detection system has better detection precision and lower detection lower limit than those of a traditional system, and can realize zero pretreatment of samples.

Description

Technical field [0001] The invention belongs to a detection system, and in particular relates to a detection system that realizes enhanced plasma detection through conical space compression. Background technique [0002] Plasma detection is a kind of spectral detection technology that is gradually emerging in recent years by measuring the surface of a substance to induce plasma spectroscopy. It is a type of atomic emission spectroscopy. So far, plasma technology is the only technology known to detect the spectra of all elements in any environment; it can also detect various sample forms in solid, liquid, powder, and gas forms. At the same time, plasma detection technology has many advantages such as fast measurement speed, remote non-contact measurement, simple system structure and so on. Based on the many advantages and versatility of plasma detection technology, some people call it a "universal" detection technology. [0003] At the same time, it does not require sample pretrea...

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Problems solved by technology

[0004] However, there are certain problems in traditional plasma detection, for example, the detection limit is not low enough, resulting in the minimum detection value of many elements being higher than the national standard value, which makes it more difficult for the comprehensive promotion of plasma detection to food safety and environmental detection

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