Automatic atomic absorption spectrometer

Optical Splitting system

1 Grating engraving density: ≥1800 strips /mm.

2 Effective line cutting area of grating: ≥50 x 50 mm².

3 Wavelength range: 190-900nm.

4 Spectrum bandwidth: 0.1, 0.2, 0.4, 1.0, 2.0nm five automatic adjustable, automatic setting of wavelength slit width and energy.

5 Wavelength accuracy: ≤0.15nm, wavelength repeatability: ±0.1nm.

6 Baseline drift: static ≤±0.002A/30 minutes, dynamic ≤±0.005A/30 minutes.

7 Spectral resolution of the instrument: it can distinguish 279.5nm and 279.8nm manganese double wire, and when the spectral passband is 0.2nm/mm, the peak-valley energy between the two wires is less than 30%

8 Light source: manual switching of three lights, automatic collimation.

9 Lamp current setting: 0-30mA, automatically set by computer.

10 High Performance Power Supply: Built-in high performance lamp dual cathode power supply.

Flame atomizer

1 Characteristic concentration (Cu) : 0.015μg/mL/1%.

2 Detection limit (Cu) : 0.002μg/mL.

3 Precision: RSDS ≤0.5%.

4 Combustion head: titanium combustion head, 50mm or 100mm universal combustion head.

5 Atomizer: Pt-Ir capillaries, Teflon nozzles, ceramic impact balls (available for hydrofluoric acid).

6 Atomizing room: atomizing room for explosion-proof corrosion-resistant materials.

7 Ignition mode: microcomputer control, automatic ignition.

8 Gas control: automatic gas control system,

9 Adjustment system: automatic PC control flame, and automatic optimization.

10 Safety protection: with automatic safety protection function, anti-tempering automatic gas path protection, acetylene leakage alarm, automatic shutdown system, abnormal automatic power off.

Background Correction:

Flame: Self-imbibition background Correction: 1A background can be corrected.

Data Processing

1 Measurement methods: flame method and hydride method.

2 Calculation methods of concentration: standard curve method (1-3 curve), automatic fitting, standard addition method.

3 Repeated measurement times: 1-99 times, calculate the mean value, and give the standard deviation and relative standard deviation.

4 Result printing: parameter printing, data result printing, graphics printing, export WORD, EXCEL documents.

5 All Chinese interface, easy to operate, automatic operation can be set through the software.

6 Communication interface: USB interface for communication between computer and host.