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Help CenterSupply of Solder Atomic Absorption Spectrometer, Mingrui Aa2630 Model, Solder Bar Atomic Absorption Spectrometer
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Nanjing Mingrui AA2630 Solder Atomic Absorption Spectrometer uses a PC to fully automatically control the instrument and process data. 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. It is widely used in many production and scientific research fields such as rare earth analysis, precious metal analysis, alloy materials, electroplating, electronic products, metallurgy, geology, petroleum, chemical industry, commodity inspection, environmental protection, colleges and universities, research institutes, geological exploration, mining and mineral processing, PCB circuit boards, surface treatment, energy and environmental protection, medical and health, agriculture, food, feed, biology, chemical fertilizers, chemistry, etc. Phone: 18651882886 (WeChat).
It uses a PC to automatically control the instrument and process data; the integrated structure 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; automatic flow setting, automatic ignition, and automatic protection in case of flameout; automatic adjustment of negative high voltage and lamp current; automatic setting of flame height and atomizer position, selection of analysis conditions to ensure reliable analysis results; automatic conversion of spectral bandwidth, 0.1, 0.2, 0.4, 1.0, 2.0nm (five levels are automatically selectable), automatic control of wavelength scanning, automatic peak searching, fast scanning and positioning in the full wavelength range, automatic zero adjustment within 30 seconds, automatic setting of gas flow, and automatic selection of the combustion-support ratio for element analysis. An advanced and reliable safety protection system protects the safety of operators. A 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. Once an unexpected situation occurs, water, electricity, and gas are automatically shut off. A hydride generator can be optionally configured. It has an excellent optical system with a suspended design, so vibration and changes in ambient temperature do not affect the stability of the instrument. The light energy is strong and the stability is extremely high. The newly designed flame atomizer and the ultra-high-sensitivity graphite furnace can automatically optimize the temperature rise program through PC control in the whole process range. The high stability of the heating power further improves the reliability of the analysis value.
This set is equipped with the most convenient, reliable, and practical assistant software, which supports the Windows system platform. It has simple man-machine dialogue, powerful data analysis and processing functions, and convenient and fast data output functions, ensuring the accuracy and reliability of the results.
Detailed description of the Solder Atomic Absorption Spectrometer:
Wavelength range of the optical system: 190 - 900nm
Monochromator: Aberration-corrected C - T type monochromator dispersion element
Plane diffraction grating: 1800 lines/mm
Scratch area: 40x40mm2
Spectral bandwidth: 0.1, 0.2, 0.4, 1.0, 2.0nm, five - step automatic selectable wavelength. The whole band is better than ±0.20nm.
Wavelength repeatability: <0.10nm in the whole band
Baseline drift: 0.004A/30min
Detector: High - sensitivity, wide - spectral - range photomultiplier tube
Resolution: When the spectral bandwidth is 0.2nm, separate the manganese doublet (279.5nm and 279.8nm), and the valley - to - peak energy ratio is <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 - mixed 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 various automatic safety protection functions.
Characteristic quantity 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 - controlled high - power method is used. Temperature control accuracy: Accuracy≤1%
Temperature rise rate: > 2000℃
Heating condition setting: Up to 11 programs including ramp heating, stage heating, high - power heating. It has safety protection, including argon under - pressure indication, insufficient cooling water flow, over - heating, 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 of graphite furnace method: Standard curve method (1 - 3 order curve), interpolation method
Number of repeated measurements in the standard addition method: 1 - 20 times. Calculate the average value of repeated measurements, automatically give the standard deviation and relative standard deviation results for printing.
Parameter printing: Print data results and graphics
Summary report software environment: Windows 2000/XP
Solder Atomic Absorption Spectrometer 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 of the main unit: Wooden box packaging and transportation, low-noise oil-free air compressor
Installation and commissioning: Special air pressure gauge head and random accessories, on-site training for users on the usage method
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