在kINPen-sci的废水中,除剂的环形空间分布,
Andy S C Nave1,2, Philipp Mattern1, Jean-Pierre H van Helden3
1Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany.
Scientific reports
|September 19, 2024
概括
研究人员使用空腔环降光谱学研究了冷大气等离子喷射 (CAPJ) 中的排放物分布. 确定了两个不同的群体,与与等离子体纤维和气体流相关的不同形成机制.
科学领域:
- 等离子体物理学的物理学
- 原子和分子物理 原子和分子物理
- 频谱学是一种光谱学.
背景情况:
- 冷大气等离子喷射器 (CAPJ) 用于各种应用,需要详细了解它们的反应性物种.
- 激酶体 () 是基CAPJ中的关键物种,但其空间分布和形成机制尚未完全阐明.
- kINPen-sci是本研究中使用的一种特定类型的CAPJ.
研究的目的:
- 在kINPen-sci CAPJ的废水中空间解析除剂 () 的密度分布.
- 为了研究不同空间种群的不同生产机制的氧 excimer.
- 为了将观察到的分布与等离子体特征和操作参数相关联.
主要方法:
- 使用空间分辨率腔环缩光谱 (CRDS) 测量了除剂密度.
- 测量是在kINPen-sci冷大气等离子喷流的废水中进行的.
- 实验条件,包括气体流速,被系统地变化.
主要成果:
- 鉴定出了两个不同的空间群体的阿贡排放物:一个高斯分布和一个圆形分布.
- 斯族群显示出与等离子体丝的空间分布有很强的相关性.
- 气体流速被认为是形成 toroidal 群体的一个重要因素.
结论:
- 这项研究成功地绘制了CAPJ中阿尔贡分离体的空间分布图,揭示了两个不同的群体.
- 这些发现表明,高斯和状氧激酶体种群的形成途径不同.
- 虽然气流会影响状群体,但其精确的形成机制需要进一步研究.
相关概念视频
01:19Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle
544
Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
544
01:20Atomic Emission Spectroscopy: Overview
1.6K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
1.6K
01:22Atomic Emission Spectroscopy: Instrumentation
343
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
343
01:26Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
198
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
198
01:29Atomic Emission Spectroscopy: Lab
150
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
150
01:30Atomic Emission Spectroscopy: Interference
175
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
175