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Nanjing Mingrui Analytical Instruments Co., Ltd. AA2630 Alumina Ceramic Circuit Board Detector uses a PC to fully automatically control the instrument and process data. This model is equipped with a convenient, reliable and practical assistant software that supports the Windows system platform. With simple human - machine dialogue, powerful data analysis and processing functions, and convenient and fast data output functions, it ensures the accuracy and reliability of the results. It can detect a variety of trace metal elements, including more than 70 elements such as lead, chromium, cadmium, copper, iron, calcium, magnesium, zinc, chromium, mercury, arsenic, selenium, etc. The detection accuracy of the instrument reaches the ppb level. Phone: 18651882886 (WeChat).
The integrated structural design of the flame atomizer and the graphite furnace atomizer allows automatic switching between the two. The eight - lamp automatic switching turret automatically adjusts the power supply and optimizes the beam position, pre - sets and optimizes the working conditions of the hollow cathode lamp, which is convenient for multi - element detection. It has automatic flow setting, automatic ignition, and automatic flameout protection. It automatically adjusts the negative high voltage and lamp current, automatically sets the flame height and the position of the atomizer, and selects the analysis conditions to ensure the reliability of the analysis results. It automatically switches the spectral bandwidth, with five automatically selectable levels of 0.1, 0.2, 0.4, 1.0, 2.0nm. It automatically controls the wavelength scanning, automatically searches for peaks, and quickly scans and locates the full band. It completes automatic zero - adjustment within 30 seconds, automatically sets the gas flow, and automatically selects the fuel - to - oxidant ratio for element analysis. The advanced and reliable safety protection system protects the safety of operators. The reliable position recognition system monitors the cooling water flow, flame, and abnormal pressure in real - time, which not only ensures the safety of the machine but also the safety of operators. In case of an accident, water, electricity, and gas are automatically shut off. A hydride generator can be optionally equipped. The optical system has excellent quality and a suspended design. Vibration and changes in the ambient temperature do not affect the stability of the instrument. It has strong light energy and extremely high stability. The newly designed flame atomizer and the ultra - sensitive graphite furnace can automatically optimize the temperature - rising program through PC control in the whole process. The high stability of the heating power further improves the reliability of the analysis values.
Alumina Ceramic Circuit Board Detector detailed description:
Optical system wavelength range: 190 - 900nm
Monochromator: Aberration - corrected C - T type monochromator dispersion element
Plane diffraction grating: 1800 lines/mm
Engraved area: 40x40mm2
Spectral bandwidth: 0.1, 0.2, 0.4, 1.0, 2.0nm, five automatically selectable levels. The wavelength accuracy across the full band is better than ±0.20nm
Wavelength repeatability: <0.10nm across the full band
Baseline drift: 0.004A/30min
Detector: High-sensitivity, wide-spectrum photomultiplier tube
Resolution: Separate the manganese doublet (279.5nm and 279.8nm) when the spectral bandwidth is 0.2nm, and the valley-to-peak energy ratio <20%
Characteristic concentration of flame atomization system: (Cu) 0.02ug/ml/1%
Detection limit (Cu): 0.005ug/ml
Burner: 100mm metal titanium burner, air-cooled pre-mixing type. Precision RSD ≤ 0.8%
Nebulizer: Glass nebulizer. The atomization chamber is made of corrosion-resistant materials. The position of the atomization chamber can be adjusted. The height and front-back position of the flame burner are automatically set. It has safety measures and multiple automatic safety protection functions.
Characteristic mass of graphite furnace atomization system (Cd): 0.5×10-12g
Detection limit (Cd): 1.0×10-12g
Precision: RSD ≤ 3%
Heating temperature range: Room temperature - 3000℃
Heating temperature control method: Power control method in the drying and ashing stages
In the atomization stage, the light control high-power method is used. Temperature control accuracy: Accuracy ≤ 1%
Temperature rise rate: > 2000℃
Heating condition setting: Up to 11 programs for ramp heating, stage heating, and high-power heating. Safety protection, with argon under-pressure indication, insufficient cooling water flow, overheating, over-current alarm and automatic protection functions.
Background correction: Deuterium lamp background correction ≥ 30 times at 1A. Self-absorption background correction ≥ 30 times at 1A
Concentration calculation method for graphite furnace method: Standard curve method (1 - 3 degree curve), interpolation method
Number of repeated measurements for standard addition method: 1 - 20 times. Calculate the average value of repeated measurements, automatically give the standard deviation and relative standard deviation. Print the results
Parameter printing: Print data results and graphics
Summary report software environment: Windows 2000/XP
Alumina ceramic circuit board detector parameters. Main unit power supply: AC220V/50Hz
Power: 220VA
Weight: 100kg
Volume: 1000mm (length) × 350mm (width) × 390mm (height)
Graphite furnace power supply: AC380V/50Hz
Power: 12KVA
Weight: 45kg
Volume: 500mm (length) × 320mm (width) × 800mm (height)
Working environment temperature: 10 - 35℃
Working environment humidity: ≤ 80%
Standard configuration main unit: Wooden box packaging and transportation, low-noise oil-free air compressor
Installation and commissioning: Special air pressure gauge head and random accessories. Train the user on-site on how to use it
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