Espectrómetro de emissão de plasma acoplado indutivamente com leitura direta de espectro completo ICP-OES MICS

Pmétricas de desempenho：

Detector：

Detector sólido CCD refrigerado semicondutor eficiente com pixels contínuos dentro da faixa de comprimento de onda do espectrómetro, permitindo a seleção arbitrária de comprimento de onda e projetado com função anti-desbordamento natural。

(1) Dunidade etecting：Mais de 3000000 unidades de detecção, velocidade de leitura≥2MHz。

(2) Resolução de pixel：≤0.003nm。

(3) Sistema de refrigeração do detector：Para alcançar a corrente escura mais baixa do detector, é usado um resfriamento eficiente de semicondutores em três estágios。

(4) Temperatura de refrigeração：-45℃，Tempo para alcançar a temperatura de trabalho：< 3 minutos。

(5) Osistema óptico：Sistema espectroscópico escalonado conduzido por temperatura constante。

(6) MOnocromador：Sistema de dispersão bidimensional de grade e prisma de etapa média，High energy,to ensure the stability of instrument testing, internal optical components such as gratings and prisms are fixed in position, and all elements are measured simultaneously in one exposure across the full wavelength range of the spectrometer。

(7) X-ray roomx：Equipped with precision light chamber constant temperature 35℃-40℃，Argon or nitrogen can be used for purging the light chamber，When measuring the<200nm spectral line, the gas       displacement is<3L/min。

(8) Wavelength coverage：165-900nm，Full wavelength coverage。

(9) Optical resolution（FHW）：As189.042nm half width<0.007nm，Ca393.366nm half width<0.017nm，Ba614.172 half width<0.024nm, K766.490nm half width<0.035nm,To ensure the stability and optimal luminous flux of the optical system。

Plasma：

(1) Plasma observation method：Vertical placement of torch tube

(2) RF generator：Solid-state generator，The plasma coil is designed with a PTFE protective layer, which  is corrosion-resistant and maintenance free。

(3) Frequency：27.12MHZ。

(4) RF power：500-1600W。

(5) Pneumatic control：Configure 3 high-precision quality flow controllers, directly controlled by ICP-OES   software, including cooling gas, auxiliary gas, and atomization gas。Precision0.01 L/min。

(6) Peristaltic pump：5-channel 16-roller peristaltic pump。

Performance analysis： 

(1) Analysis speed：≥50 elements or spectral lines per minute，And the integration time of each measured spectral line≥10s；

(2) Sample consumption：<2ml，Determine more than 70 elements；

(3) Spectral line flexibility：Qualitative, semi-quantitative and quantitative analysis can be conducted on any spectral line of the analyzed element, which is convenient for analysis and research。

(4) Measure the linear dynamic range of spectral lines：≥10⁶（Measured with Mn257.6nm, correlation     coefficient ≥0.9996），Provide supporting documents。

(5) Internal standard calibration：Simultaneous internal standard calibration, which means that both internal standard elements and measurement elements must be exposed simultaneously。

(6) Precision：Determination of 1ppm or 10ppm multi-element mixed standard solution，RSD ≤ 0.5% for   repeated measurements of ten times。

Stability：Determination of 1ppm or 10ppm multi-element mixed standard solution，do not use internal standard calibration，Continuous 4-hour long-term stability RSD<1.0%。