Wavelength 190-900nm Ggx-820 Flame&Graphite Furnace Integrated Atomic Absorption Spectrophotometer

Min.Order: 1
Product origin: Wuxi, Jiangsu, China
Infringement complaint: complaintComplaint
US$ 15070 ~ 19180

Description
GGX SERIES Atomic Absorption Spectrophotometer
 
Applicable field:
    Food hygiene, geology, metallurgy, agricultural testing, chemical environmental protection, water quality
testing, pharmaceutical commodity inspection, education and research, etc.

Detection Elements:

   It is mainly used for more than 70 elements such as gold, silver, copper, lead, zinc, manganese, potassium, sodium, calcium, magnesium, iron and cadmium in food, surface water, groundwater, drinking water and other samples.

Patented Technology:
   
ZL 201510067779.6     Zeeman background correction optical path and system
   
201810512619.9          A multi-light position rotating lighthouse optical system
   
2018029992947           Tempering flame ignition device

 
Product features:
·8 Lamp holders simultaneously light or preheat.
·The main optical components are all imported: photomultiplier tube,
grating, lamp, etc.
·Integrated atomic absorption spectrometer; Czerny-Turner optical
path design with 270mm focal length; short optical path; strong
energy; simple and convenient one-key converted pneumatic pump.
·Stable and reliable flame atomization system.
·Excellent graphite furnace system.
·Secure monitoring system.
·Powerful data processing system.
 
Optical System:
  ·Wavelength Range: 190-900nm
  ·Wavelength Repeatability: less than 0.1nm
  ·Wavelength Accuracy: less than ±0.2nm
  ·Spectral Bandwidth: 0.2nm, 0.4nm, 1.0nm, 2.0nm (automatic switching)
  ·Baseline Drift: less than 0.003A/30min
  ·Monochromator: optimized aberration elimination C-T monochromator; automatic peak seeking and scanning.
  ·Grating: C-T(Czerny-turner) type internal optical design; 1800 pieces/mm.
  ·Photometer: high luminous flux and total reflection double beam spectroscopic system.
  ·Detector: Photomultiplier tube with high sensitivity and wide spectral range.
  ·Resolution: When the spectral bandwidth is 0.2nm, the manganese double lines (279.5nm and 279.8nm) are separated and the peak-to-valley ratio less than 25%
  ·Rotating Lamp Holder: 8 Lamp; automatic conversion and collimation; can be preheated and lit simultaneously.
  ·Background Correction Ability: more than 60 times.



Flame Atomization System:
 
  ·The element switching device of AAS has the advantages of rapid positioning and compact structure.
  ·Characteristic Concentration(Cu): 0.02μg/mL/1%
  ·Detection Limit(Cu): 0.003μg/mL
  ·Precision(RSD): less than 0.6%
  ·Burner: high temperature resistant, corrosion-resistant metal titanium alloy; three-dimensional adjustment.
  ·Sprayer: high intensity mixing chamber with special treatment technology; corrosion resistance; easy cleaning; no memory effect.
  ·Atomization Chamber: explosion-proof; corrosion-resistant.
  ·Regulation System: automatic PC control and regulation (flow of gas and auxiliary gas; burner position and angle); automatic optimization; automatic ignition; automatic identification of combustion head.
  ·Safety Protection: a full set of safety interlocking system; various pressure monitoring; automatic safety protection functions; acetylene leakage alarm and shutdown system(automatic monitoring of combustion head, flame state, water seal, gas pressure and atomization system pressure; automatic interlocking and shutdown in case of abnormality or power failure). 
  ·Liquid Level Detection: prohibit the overflow of waste liquid.

Graphite Furnace Atomization System:

  ·Temperature Range: room temperature to 3000 ºC; temperature self-correction function.
  ·Temperature Control Accuracy: less than 1%
  ·Heating Rate: more than 2000ºC/s
  ·Temperature Control Program: 10 heating procedures(max); 3 heating modes(step, slope and hold).
  ·Heating Mode: longitudinal heating
  ·Detection Limit(Cd): less than 0.5pg
  ·Precision(Cd): less than 2%
  ·Safety Detection Measures: graphite furnace body temperature detection; cooling water pressure detection; inertgas pressure detection; graphite tube fracture or unclamp detection.
  ·Safety Protection: argon underpressure indicator; cooling water flow insufficiency, overheating or overcurrent alarm; automatic protection function.
  ·Concentration Calculation Method: standard curve method(1~3 curves); automatic fitting; standard addition method; repeated measurement(1~99 times) and calculation(average value, standard deviation and relative standard deviation).
  ·Software and Data Processing: high intelligent software; automatic instrument and accessory control; automatic optimization.
  ·Result Printing: parameter printing; data result printing; graphic printing; report summary; test data saving and exporting in Excel for editing.
 
Technical Specification
ItemFlame AtomizerGraphite Furnace Atomizer
Wavelength Indication Error&RepeatabilityWavelength Indication error±0.1nm±0.1nm
Wavelength Repeatability≤0.1nm≤0.1nm
Spectral Bandwidth Deviation ±0.02nm±0.02nm
Baseline Stability(within 30min)Zero Drift Absorbance±0.03Abs/ 30min±0.03Abs/ 30min
Absorbance of Instantaneous Noise≤0.03Abs/ 30min≤0.03Abs/ 30min
Margin EnergySpectral Line Background Value/Peak≤2%≤2%
Minimum Transmittance<2%<2%
Absorbance of Instantaneous Noise≤0.02≤0.02
Detection Limit Cu≤0.003μg/mLCd≤0.5pg
Measurement Repeatability Cu≤0.6%Cd≤2.0%
Linear Error ≤10%≤10%
Background Deducting Capacity ≥60times≥60times

Accessory:
 



 
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