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電感耦合等離子體是由高頻電流經(jīng)感應線圈產(chǎn)生高頻電磁場，使工作氣體形成
Inductively coupled plasma is a high frequency electromagnetic field generated by the high frequency current through the induction coil, so that the working gas is formed.
等離子體，并呈現(xiàn)火焰狀放電（等離子體焰炬），達到10000K的高溫，是一個
The plasma, and presents the flame shaped discharge (plasma torch), up to 10000K high temperature, is a
具有良好的蒸發(fā)－原子化－激發(fā)－電離性能的光譜光源。而且由于這種等離子
Spectral light source having good evaporation and atomization excitation ionization performance. And because of this plasma
體焰炬呈環(huán)狀結構，有利于從等離子體中心通道進樣并維持火焰的穩(wěn)定；較低
The torch body is annular structure, is conducive to the sample from the center of plasma channel and maintain the stability of the flame is low;
的載氣流速（低于1L/min）便可穿透ICP，使樣品在中心通道停留時間達2～
The carrier gas flow rate (less than 1L/min) can penetrate the ICP, so that the sample in the center channel stay time of 2 ~.
3ms，可完全蒸發(fā)、原子化；ICP環(huán)狀結構的中心通道的高溫，高于任何火焰或
3MS, can be completely evaporated, atomization; ICP ring structure of the center channel of the high temperature, higher than any flame or
電弧火花的溫度，是原子、離子的最佳激發(fā)溫度，分析物在中心通道內被間接
The temperature of arc spark is the best excitation temperature of atoms and ions.
加熱，對ICP放電性質影響小；ICP光源又是一種光薄的光源，自吸現(xiàn)象小，且
The ICP light source is a kind of light source with low self absorption, and it has little effect on the ICP discharge.
系無電極放電，無電極沾污。這些特點使ICP光源具有優(yōu)異的分析性能，符合
Department of electrodeless discharge electrode, no contamination. These characteristics make ICP light source have excellent analytical performance.
于一個理想分析方法的要求。
The requirements of an ideal analysis method.
電感耦合等離子體光譜儀作為一種大型精密無機分析儀器，廣泛應用于稀
Inductively coupled plasma spectrometer, as a kind of large-scale precision inorganic analytical instrument, is widely used in
土、貴金屬、合金材料、電子產(chǎn)品、醫(yī)藥衛(wèi)生、冶金、地質、石油、化工、商
Earth, precious metal, alloy materials, electronic products, medical and health, metallurgy, geology, petroleum, chemical industry, business
檢、環(huán)保以及釹鐵硼、硅、硅鐵、鎢、鉬等行業(yè)分析檢測，可對待測樣品進行
Detection and analysis of inspection, environmental protection, NdFeB, ferrosilicon, silicon, tungsten and molybdenum industry, can the sample to be tested
定性或從超微量到常量的定量分析。是集光、機、電、計算機、分析技術于一
Qualitative or quantitative analysis of the quantity from the super trace to the constant. Is a collection of light, machine, electricity, computer, analysis technology in a
體的高新技術產(chǎn)品，具有測試速度快、測量范圍寬、分析結果準確可靠等特
The high and new technology product of the body has the characteristics of high test speed, wide measuring range, accurate and reliable analysis results.
點。
Point.
電感耦合等離子體發(fā)射光譜儀光源的“點燃”，需具備持續(xù)穩(wěn)定的高純氬氣
Inductively coupled plasma emission spectrometer light source, the need to have a stable and high purity argon
流，炬管、感應圈、高頻發(fā)生器，冷卻系統(tǒng)等條件。樣品氣溶膠被引入等離子
Flow, torch, induction coil, high frequency generator, condition of cooling system. Sample aerosol is introduced into the plasma
體源后，在6,000K～10,000K的高溫下，發(fā)生去溶劑、蒸發(fā)、離解、激發(fā)、電
After the body source, in 6000K ~ 10000K high temperature, the occurrence of solvent, evaporation, dissociation, excitation, electricity
離、發(fā)射譜線。根據(jù)光路采光方向，可分為水平觀察ICP源和垂直觀察ICP源；
Emission spectral line. According to the direction of light road lighting, can be divided into horizontal observation ICP source and vertical observation ICP source;
雙向觀察ICP光源可實現(xiàn)垂直/水平雙向觀察。實際應用中宜根據(jù)樣品基質、待
Bidirectional observation of ICP light source to achieve vertical / horizontal observation. In practical application, it is better to be based on sample matrix, to be
測元素、波長、靈敏度等因素選擇合適的觀察方式。
Measurement elements, wavelength, sensitivity and other factors to select the appropriate observation method.
