AA-1800 Atomic Absorption Spectrometer Flame / Graphite Furnace Integrated Machine

AA-1800H atomic absorption spectrometer (flame / graphite furnace intergrated machine)

Technical parameters

1.Working conditions

1.1 Power requirements: 220V (+5% ~ -10%), 50/60 Hz; 5000VA.

1.2 Environment temperature: +15 to +35 DEG C.

1.3 Relative humidity: 20 ~ 80%.

2 .Technical indicators

2.1 Optical system

2.1.1 Grating: 1800 /mm.

2.1.2 Wavelength range: 190-900nm.

2.1.3 Spectral bandwidth of 2.1.3: 0, 0.2, 0.4, 1, 2.0nm a five speed automatic adjustable.

2.1.4 Wavelength accuracy: less than 0.15Nm wavelength repeatability: + 0.1nm.

*2.1.5 Baseline drift: static is not more than 0.002A/30 minutes, the dynamic is not more than 0.005A/30 minutes.

2.1.6 Light source: more than six lights automatically switch the turret, automatic alignment.

2.1.7 Power: double cathode power built-in high performance lamps.

2.2 Flame atomizer

2.2.1 Characteristic concentration (Cu): 0.015 g/mL/1%.

2.2.2 Detection limits of *2.2.2 (Cu): 0.002 g/mL.

2.2.3 Precision: RSD = 0.5%.

2.2.4 Combustion head: metal titanium combustion head.

2.2.5 High performance glass atomizer sprayer.

2.2.6 Atomizing chamber: explosion proof corrosion resistant material spray chamber.

2.2.7 Control system: the automatic PC control flame / graphite furnace automatic switch, automatic optimization and automatic ignition.

2.2.8 Safety protection: with automatic safety protection function, anti temperingautomatic gas path protection, acetylene gas leakage alarm, automatic shutdown system, abnormal automatic power-off.

2.3 Graphite furnace atomizer

2.3.1 Features (Cd): 0.5 x 10-12g.

2.3.2 Detection limits of (Cd): 0.4 x 10-12g.

2.3.3 Precision: RSD = 3%.

2.3.4 Heating method: vertical heating.

2.3.5 Safety protection: water flow, water temperature, air pressure, the graphite tubebad contact, flow and power alarm protection.

*2.3.5 Conversion mode: flame / graphite furnace automatic switch machine, electronicmobile platform software control, without the need to manually remove.

2.3.6 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.

2.4 Background correction:

2.4.1 Fame: deuterium lamp + self absorption background correction: correction of the 1A background.

2.4.2 Shi Molu: deuterium lamp + self absorption background correction: correction of the 1A background.

2.5 Data processing

2.5.1 Measurement methods: flame method, graphite furnace method, hydride method.

2.5.2 Concentration calculation method: standard curve method (1 ~ 3 times curve),automatic matching, the standard addition method.

2.5.3 Repetition survey frequency: 1-99 times, calculating the average value, standard deviation and relative standard deviations are given.

2.5.4 Print print print print the results of parameters, data, graphics, you can export WORD, EXCEL document.

2.5.5 Ssimple and convenient operation, and can be operated through software, to realize the automatic conversion of flame atomizer and a graphite furnace atomizer.

2.5.6 Communication interface: computer and host USB interface communication.

2.6 Autosampler (optional)

The 2.6.1 sample disc 70 sample cup (2mL), 6 25mL cup for liquid reserves, blank and matrix modifier, cleaning bottle 500mL, waste liquid bottle.

2.6.2 According to the need can be arbitrarily specified sample cup and the reagent cupposition, random arrangement, program setting, can automatic analysis.

2.6.3 Automatic calibration curve: automatically from a single standard solutionconfiguration from at least 3 different concentrations of standard sample, directly into the graphite tube.

2.6.4 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 Lprecision is better than 1%).

2.6.5 Automatic long-term memory into the position of the sample needle selection,accuracy of 50 m.

2.6.6 Graphite tube hole coordinate adjusting range > + 5mm.

2.6.7 Automatic depth adjustment: the sample feeding needle depth changes with thesample liquid automatic adjustment.

2.6.8 Automatic standard addition method, the standard sample of up to 20.

2.6.9 Cleaning method: internal and external wall while cleaning, cleaning time andfrequency adjustable.

2.6.10 Solution was injected after the automatic start of graphite furnaceheating procedure.

2.7 Hydride generator (optional)

The sensitivity of 2.7.1 (As): 0.15ng/mL/1%

2.7.2 Precision RSD 3%

2.7.3 Atomizer: T type electrothermal quartz absorption tube (corundum jacket, ensure safety)

2.7.4 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).

2.7.5 can be applied to various readings: applicable to a variety of readings, peak height, peak area of reading reading, continuous reading.

Standard Configuration List