ICP-OES MICS Полный спектр прямого чтения индуктивно соединенного плазменного эмиссионного спектрометра

Performance metrics：

Detector：

Efficient semiconductor cooled CCD solid detector with continuous pixels within the wavelength range of the spectrometer, allowing for arbitrary wavelength selection, and designed with natural anti overflow function。

(1) Detecting unit：More than 3000000 detection units, reading speed≥2MHz。

(2) Pixel resolution：≤0.003nm。

(3) Detector refrigeration system：To achieve the lowest detector dark current, efficient three-stage semiconductor cooling is used。

(4) Refrigeration temperature：-45℃，Time to reach working temperature：< 3 minute。

(5) Optical system：Constant temperature driven stepped spectroscopic system。

(6) Monochromator：Mid step grating and prism two-dimensional dispersion system，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) Х-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%。