Atomic Absorption Spectrophotometer

Zeeman Background Atomic Absorption Spectrophotometer — Cialan

Cialan is the first tier manufacturer and supplier of Atomic Absorption Spectrophotometer in China, we provide atomic absorption spectrometer, aas spectroscopy, atomic spectrophotometer and professional after-service.

190 – 900nm

Wavelength Range

0.1, 0.2, 0.4, 1.0 ,2.0nm

Bandwidth

Zeeman background

Product Details Characteristics Parameter Message

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Product Details

AAS absorption spectroscopy Zeeman background correction is suitable for high precision analysis of samples with complex interference matrices.

Variable magnetic field intensity allows the operator to optimize field strength for each element, maximizing the Zeeman effect for accurate results every time.

Characteristics

Transverse graphite furnace heating technology improves sample atomization efficiency and uniformity.

Two background correction methods are available: longitudinal Zeeman effect correction and deuterium lamp correction. The operator can select the most suitable mode based on the sample.

Unique adjustable magnetic field strength (0.6 - 1.1 Tesla, in 0.1 Tesla increments) allows for element specific optimization to achieve high sensitivity and precision.

8-lamp automated lamp turret with auto-alignment for quick element switching and lamp position optimization.

Code lamp recognition technology, compatible with both hollow cathode lamps and super lamps.

High efficiency super lamp power supply, newly designed for higher sensitivity while consuming less power and generating less heat.

Tags:

Flame atomic absorption spectrophotometer

Parameter

Model:AA-7090
Optical System
Wavelength range	190-900nm
Spectral bandwidth	0.1, 0.2, 0.4, 1.0 and 2.0 nm, automatic switch
Mono-chromator	Czerny-Turner Grating Mono-chromator
Wavelength Accuracy / Indication Error	±0.1 nm
Wavelength Repeatability	≤ 0.05 nm
Grating	1800 lines/mm
Blaze wavelength	250 nm
Baseline stability	Static baseline stability ≤ 0.002 A / 30 min, dynamic baseline stability ≤ 0.003 A / 30 min
Resolution	Better than 0.1nm
Flame Method
Characteristic Concentration of Cd	≤ 0.5×10-12 g
Detection Limit	≤ 1×10-12 g RSD ≤ 3.0%
Temperature Control	Max 20 step temperature program. 3 modes of temperature rise: step, slope and flat.
Heating Mode	Power heating
Heating Rate	≥ 2500 / s
Flame System
Characteristic Concentration of Cu	≤ 0.02 µg / mL / 1%
Detection Limit	≤ 0.003 µg / ml RSD ≤ 0.45%
Burner Head	Switchable 50 mm and 100 mm titanium burner head, titanium nebulizer and high performance glass nebulizer
Position Control	Optimization of height and angle, flame and hydride switch within one min

Applications

Supporting instrument

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