Product Center
Hot Product
New Product

AA-7090 Series Atomic Absorption Spectrometer

Brand:

Model:

Application:

Product Introduction

AA-7090 flame and Zeeman graphite furnace tandem analyzer,with two background correction methods: longitudinal Zeeman effect correction and deuterium lamp correction

Transverse heating, longitudinal Zeeman effect graphite furnace, introduced from Australia. 

Magnetic field can be varied from a low of 0.6 to a high of 1.1 Tesla in increments of 0.1 Tesla 

8-Lamp automated lamp turret

ESV

Coded lamp recognition

High efficiency super lamp power supply

The burner head height can be automatically adjusted

Programmable gasbox

Protection gas saving system, high efficiency & reduce your cost

 

Technical Specifications of AA-7090

 

1.    Optics

 

Wavelength Range: 190nm~900nm

 

Bandwidth: 0.1, 0.2, 0.4, 1.0 and 2.0nm, automatic switch Czerny-Turner Grating Mono-chromator

 

Wavelength Accuracy/Indication Error: ±0.1nm Wavelength Repeatability: ≤0.05nm

 

Grating: 1800 lines/mm Blaze Wavelength: 250nm

 

Baseline Stability: Static baseline stability≤0.002A/30min, dynamic baseline

 

stability≤0.003A/30min

 

Resolution: Better than 0.1nm

 

2.    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

 

3. Graphite Furnace System

 

Characteristic Concentration of Cu: ≤0.5×10-12 g

 

Detection Limit: ≤1×10-12g

 

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

 

4. Background Correction

 

Background correction is available for both flame and graphite furnace methods. Deuterium lamp for flame. deuterium lamp or Zeeman for graphite furnace.

 

Correction Mode: Deuterium lamp, Zeeman Correction Capability:

 

a)  Deuterium lamp: When background absorption approaches 1.0 Abs, the instrument is capable of a background correction of 60 times or more.

 

b)  Zeeman: When background absorption approaches 2.0 Abs, the instrument is capable of a background correction of 100 times or more.

 

5.    Data Processing

 

Measurement Methods: Flame absorption, flame emission, graphite furnace, and hydride method.

 

Analysis Method: Linear fitting, nonlinear fitting, standard addition method. Printing Output: Calibration curve, spectrum, analysis conditions, analysis parameters, and analysis results can be automatically stored and printed.

 

6.    Dimensions: 1000(L) mm×610(W) mm×510(H) mm, 150 kg

 

7.    Power: 220V/50Hz, main unit 200W, graphite furnace 4KW

AA-7090 Series Atomic Absorption Spectrometer Please inquiry,we will reply in 24h
Product title:
Product model:
* E-mail:
The other contacted ways:
Detail requirements:
Verification code:
Related Products

Online customer service

  • Mobile: +86 15890668062
  • Tel: +86-371-60310701
  • Skype: Katherine.wang67
  • WhatsApp: +86 15890668062
  • Fax: +86-371-60153566

Çevrimiçi geri bildirim

Mesaj Başlığı:

*E-mail:

mesaj: