Minggu, 04 Desember 2016

Atomic Absorption Spectrophotometer (AAS)

Product name : Automatic Atomic Absorption Photometer
Description: Automatic Atomic Absorption Photometer
Item : ME-AA1800 Series
Details :
 Introduce 


ME-AA1800 series Atomic Absorption Photometer is an expert in the use of the latest international technology and
domestic famous universities jointly complete R & D, R & D and application experience with decades of spectroscopic
instrument.

It
 include the flame and graphite furnace and hydride generation system, which can be equipped with various accessories,
flexible configuration program can meet different levels of customer demand. It can be used for analysis of complex samples
full automatic multi functional.


 Specifications


Model
ME-AA1800C
ME-AA1800H
Grating
1800/mm
Wavelength range
190-900nm
Spectral bandwidth
0.1, 0.2, 0.4, 1.0,2.0nm (automatic adjustable)
0, 0.2, 0.4, 1, 2.0nm a five speed automatic adjustable.
Wavelength accuracy
≤0.15nm
Wavelength repeatability
±0.1nm
Baseline stability
≤±0.002A/30 minutes( static)
≤±0.005A/30 minutes.(dynamic)
Light source
6 lamps automatic turret, automatic alignment
Power
double cathode power built-in high performance lamps
Relative humidity
20-80%
Environment temperature
15-35
Power requirement
220V (5%~-10%), 50/60 Hz; 5000VA

 Advance 
1. Various analysis methods can automatically switch, unmanned automatic analysis.
2. Soft, hardware were designed innovation to ensure the accuracy, safety, ease of use in the analysis of samples,
    equipment maintenance,simple and convenient.
3. Widely used in hospitals, pharmaceutical, steel, health and epidemic prevention, metal 
   smelting industry, geology and mining geology, chemical,water quality monitoring, food and drink milk, environmental
   monitoring, quality inspection, drug, agriculture, toys, 
electronics, disease control, metallurgy, chemical industry, and forestry, etc.
4. Main Features of model ME-AA1800C & ME-AA1800H:


 ME-AA1800C Features 
Flame atomizer:


1. Characteristic concentration (Cu) : 0.015μg/mL/1%.
2. Detection limitsCu):0.002μg/mL
3. Precision: RSD≤0.5%
4. Combustion head: metal titanium combustion head
5. Atomizer: efficient glass atomizer
6. Atomizing chamber: explosion proof corrosion resistant material spray chamber
7. Control system: automatic PC control six light brick, automatic alignment, auto optimization and automatic ignition
8. Safety protection: with automatic safety protection function, anti temperingautomatic gas path protection, acetylene
    gas leakage alarm, automatic shutdown system, abnormal automatic power-off
9. Background correction: deuterium background correction: correction of the 1A background


Data processing


1. Measurement methods: flame method, hydride method
2. Concentration calculation method: standard curve method (1 ~ 3 times curve),auto matching, the standard addition
    method
3. Repetition survey frequency: 1-99 times, calculating the average value, standard deviation and relative standard
   deviations are given
4. Results print:  parameters print, data and graphics print, you can also export WORD, EXCEL document
5. Simple and convenient operation, lamp position rotating, automatic ignition through software operating
6. Communication interface: computer and USB interface communication


 ME-AA1800H Features


Flame atomizer


1. Characteristic concentration (Cu): 0.015 g/mL/1%.
2. Detection limits of *2.2.2 (Cu): 0.002 g/mL.
3. Precision: RSD = 0.5%.
4. Combustion head: metal titanium combustion head.
5. High performance glass atomizer sprayer.
6. Atomizing chamber: explosion proof corrosion resistant material spray chamber.
7. Control system: the automatic PC control flame / graphite furnace automatic switch, automatic optimization and
    automatic ignition.
8. Safety protection: with automatic safety protection function, anti temperingautomatic gas path protection, acetylene
    gas leakage alarm, automatic shutdown system, abnormal automatic power-off.


Graphite furnace atomizer


1. Features (Cd): 0.5 x 10-12g.
2. Detection limits of (Cd): 0.4 x 10-12g.
3. Precision: RSD = 3%.
4. Heating method: vertical heating.
5. Safety protection: water flow, water temperature, air pressure, the graphite tubebad contact, flow and power alarm
    protection.
6. Conversion mode: flame / graphite furnace automatic switch machine, electronicmobile platform software control,
    without the need to manually remove.
7. Heating temperature control mode: room temperature -3000 degrees Celsius,automatic temperature control up to
   20 order, the furnace enriched up to 20 times, 4 kinds of heating mode, longitudinal optically monitoring the graphite
   tube wall temperature.
Background correction:


1. Flame: deuterium lamp + self absorption background correction: correction of the 1A background.
2. Graphite furnace: deuterium lamp + self absorption background correction: correction of the 1A background.


Data processing


1. Measurement methods: flame method, graphite furnace method, hydride method.
2. Concentration calculation method: standard curve method (1 ~ 3 times curve),automatic matching, 
    the standard addition method.
3. Repetition survey frequency: 1-99 times, calculating the average value, standard deviation and relative standard
    deviations are given.
4. Print print print print the results of parameters, data, graphics, you can export Word, Excel document.
5. Simple and convenient operation, and can be operated through software, to realize the automatic
 conversion of flame atomizer and a graphite furnace atomizer.
6. Communication interface: computer and host USB interface communication.
 
Auto sampler (optional)


1. With 70 sample cups (2mL), 6 cups for liquid reserves, blank and matrix modifier, cleaning bottle 500mL, waste
    liquid bottle.
2. According to the need can be arbitrarily specified sample cup and the reagent cup position, random 
    arrangement, program setting, can automatic analysis.
3. Automatic calibration curve: automatically from a single standard solution configuration from at least 3 different
    concentrations of standard sample, directly into the graphite tube.
4. Needle minimum sample volume of 1 L 0.1 L incremental selection, selection, sample selection
   (maximum 100 L when 10 L-100 selection selection analysis of L precision is better than 1%).
5. Automatic long-term memory into the position of the sample needle selection,accuracy of 50 m.
6. Graphite tube hole coordinate adjusting range > + 5mm.
7. Automatic depth adjustment: the sample feeding needle depth changes with the sample liquid automatic adjustment.
8. Automatic standard addition method, the standard sample of up to 20.
9. Cleaning method: internal and external wall while cleaning, cleaning time and frequency adjustable.
10. Solution was injected after the automatic start of graphite furnace heating procedure.


Hydride generator (optional)


1. The sensitivity of (As): 0.15ng/mL/1%
2. Precision RSD 3%
3. Atomizer: T type electrothermal quartz absorption tube (corundum jacket, ensure safety)
4. Automation: only a start button, press gently to complete sampling, occurrence,determination,
   cleaning of the whole process, can communicate with host on-lineautomatic reading (host must have this function).
5. Can be applied to various readings: applicable to a variety of readings, peak height, peak area of reading reading,
    continuous reading.


Detection method and determination of trace elements:


1.  Flame atomic absorption spectrophotometry:


Flame atomic absorption spectrophotometry (air acetylene) determination of elements can be detected PPM level. Sodium (Na), potassium (K), magnesium (Mg), calcium (Ca), chromium (Cr), 
manganese(Mn), iron (Fe), cobalt (Co), nickel (Ni), platinum (Pt), gold (Au), copper (Cu), silver (Ag),zinc (Zn),
cadmium (Cd), lead (Pb), bismuth (Bi), etc..


2.  Atomic absorption hydride method:


Atomic absorption hydride method can be of low melting point elements trace Detection (PPb). 
Determination of arsenic, selenium (As): (Se), antimony (Sb), bismuth (Bi),  lead(Pb), tin (Sn),
 tellurium (Te), germanium (Ge), mercury (Hg) etc..


3. Graphite furnace atomic absorption spectrometry:


Detection by graphite furnace atomic absorption, less sample volume, high sensitivity(PPb).
Silver (Ag), aluminum (Al), arsenic (As), gold (Au), barium (B

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