Atomic Absorption Spectrophotometer (Graphite Furnace Method) SP-AA3624G AAS Scitek

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The atomic absorption spectrophotometer is widely used in the analysis of major and trace elements in metallurgy, geology, mining, petroleum, light industry, agriculture, medicine, health, food and environmental monitoring.


Atomic Absorption Spectrophotometer Features:

1. Equipped with a complete software and hardware system, it is highly intelligent, easy to use and simple to operate, and meets the requirements of authority management, audit tracking and other requirements.

2. Working methods can be stored, eliminating the need to repeatedly set test conditions, streamlining the detection process, avoiding duplication of work, and greatly saving users' time and cost.

3. Fully automatic eight/four lamp position rotating lamp stand, automatic switching, free setting of work lamp/preheating lamp, automatic call of optimal analysis parameters and analysis conditions.

4. Total reflection optical system, full-band achromatic, automatic wavelength scanning, automatic peak search.

5. It has both deuterium lamp and self-priming background subtraction to meet the detection needs of complex matrix samples.

6. Longitudinal heating graphite furnace technology achieves uniform temperature of the graphite tube.

7. The graphite furnace atomization system has alarm functions for insufficient cooling water flow, insufficient argon gas pressure, excessive temperature of the graphite furnace, abnormal power supply temperature, poor contact in the installation of graphite tubes, and automatically cuts off the temperature rise program to ensure the safety of the operation and use process.

8. It can be used with an automatic sampler for safe and efficient analysis. The hanging installation is simple and easy to debug, maximizing the user's work efficiency.

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Model

SP-AA3624G

SP-AA3628G

Optical System

Optical System

Single Beam

Monochromator

Czerny-Turner type, focal lengths at 350mm

Grating

Grating 1800 lines/mm, scintillation wavelength 250nm

Spectral Bandwidth (nm)

0.1, 0.2, 0.4, 0.7, 1.4, 2nm

Automated slit selection

Wavelength Range (nm)

185-900nm

Wavelength Accuracy (nm)

0.3 nm

0.2nm

Wavelength Repeatability (nm)

≤0.1nm

Spectral Bandwidth Deviation

±0.02 nm

Lamp Stand

4

8

Element Lamp Type

Cd lamp(Standard accessory)

Other element lamp is optional accessory

Photometric Performance

Reading Mode

Transmittance, absorbance, concentration

Photometric Range

0-125%, -0.1-3.00A

Static Baseline Drift (Cu)

±0.004A/30min

±0.003A/30min

Dynamic Baseline Drift (Cu)

±0.006A/15min

±0.005A/15min

Background Correction

Deuterium lamp≥ 40x (1Abs)

Deuterium lamp≥ 40x (1Abs), self-priming≥ 80x (1Abs) (optional)

Graphite Furnace

Characteristic Amount

Cd≤1.0pg,Cu≤22pg

Cd≤0.8pg,Cu≤20pg

Detection Limit

Cd≤1.5pg,Cu≤20pg

Cd≤1.0pg,Cu≤10pg

Repeatability (Cd)

RSD≤4%

RSD≤3%

Heating Range of Graphite Furnace

Room temperature-3000

High Power Heating Range

1500-3000

Slope and Holding Time

1s-255s

Heating Rate

Maximum heating rate 2000°C/s

Atomization Heating Mode

Light-controlled heating, Time-controlled heating, General heating

Protective Gas Flow Outside Pipe

1 L/min

Protective Gas Flow Inside Pipe

4-speed adjustable (0, 50, 200, 250ml/min flow)

Data Processing

Safety Protection

Cooling water flow, Protective gas pressure, Furnace body temperature, Power supply temperature, Graphite furnace installation alarm

Measuring Method

Graphite furnace method

Concentration Calculation Method

Standard curve method (6 linear/non-linear fitting methods), Standard addition method, Interpolation method

Repeat Measurement Times

1-30 times. Calculate and give the average value of absorbance/concentration. standard deviation and relative standard deviation

Other

Report Printing

Parameter printing, Data result printing

Computer

External connect

Ambient Temp

10-30

Ambient Humidity

40%-85%

Power Supply

220V, 50/60Hz

External Size (W x D x H) (mm)

830x650x560

Shipping Size (W x D x H) (mm)

1000x780x810

N.W./G.W. (kg)

110/130

Standard Accessory

Software, Cd Hollow cathode lamp, Pipette

Optional Accessory

Computer, Printer, Autosampler, Recirculating cooling water system