Instrument features:

Large-area high-line-density planar holographic grating, Czerny-Turner structure optical system, large light transmission and high resolution.

Robust self-excited RF generator ensures high-precision operation and excellent long-term stability of the instrument.

Highly sensitive PMT detector and wide dynamic range signal processing technology have excellent detection capabilities.

The powerful software system simplifies the development process of analysis methods and creates a simple and comfortable operating experience tailored for users.

Instrument parameters:

Technical Parameters:

RF generator technical parameters:

Output power: 800W-1400W

Power stability: ≤0.1%

Oscillation frequency: 40.68MHz

Frequency stability: ≤0.01%

Electromagnetic field leakage radiation intensity: <0.5V/m

Technical parameters of sampling system:

Torch orientation: vertically placed

Torch coil: 3 turns

Torch: integrated torch, center tube optional 0.8mm, 1.5mm, 2.0mm (quartz or ceramic).

Nebulizer: concentric atomizer or parallel channel atomizer, outer diameter 6mm, optional standard atomizer, high salt atomizer, hydrofluoric acid atomizer.

Spray chamber: cyclonic spray chamber, optional double-cylinder spray chamber and HF-resistant spray chamber.

Peristaltic pump: 4 channels, 12 rollers, continuously adjustable speed.

Argon gas consumption: 12L/min~18L/min

Cooling gas: 0.00L/min~20.00L/min

Auxiliary gas: 0.00L/min~2.00L/min

Carrier gas: 0.00L/min~2.00L/min

Optical system parameters:

Grating markings (optional):

2400g/mm

3600g/mm

4320g/mm

Grating area: 110mm×90mm

Analysis spectral line range:

185nm-800nm 2400g/mm

185nm-550nm 3600g/mm

185nm-450nm 4320g/mm

Focal length: 1000mm

Resolution:

≤0.012nm 2400g/mm

≤0.008nm 3600g/mm

≤0.006nm 4320g/mm

Wavelength positioning accuracy: 0.0004nm

Stray light: The equivalent background concentration of 10000μg/ml Ca solution at As189.042nm is <2ug/ml

Light room constant temperature: high-precision constant temperature 33℃±0.5℃

Light chamber inflation: automatic inflation technology, purge flow 1L/min

Detector technical parameters:

Detector: High sensitivity PMT detector

Negative high voltage: 0~1250V

Wavelength response range: 185nm~900nm

Dynamic range: >106

Analyze performance:

Observation method: vertical torch

Detection limit: sub-ppb-ppb

Short-term stability: RSD≤1.5% (500LOD)

Long-term stability: RSD≤2.0% (2h, 500LOD)