SP-3802 Single Graphite Furnace Atomic Absorption Spectrophotometer

Independent graphite furnace
Characteristic quantity (Cd): ≤ 0.4pg
Detection limit (Cd): ≤ 0.5pg
Precision: RSD ≤ 2% for cadmium Cd and copper Cu
Atomization heating methods: light control, time control, general heating
Heating range: room temperature -3000? C
Safety measures: cooling water flow rate, protective gas pressure, furnace temperature, automatic alarm and safety protection for graphite tube installation
Background correction
Deuterium lamp background correction automatic optical balance, correction capability ≥ 50 times (1Abs)
Self suction background correction intelligent balance, correction ability ≥ 100 times (1Abs), ≥ More than 80 times correction capability (2Abs) can correct background errors of 2A or more, with a margin of error of ≤ 2%

Graphite furnace automatic sampler
Sample grade: 87 pieces
Standard cup capacity: 2 ml sample, 6 ml improver
Number of matrix modifiers: 3 types
Syringe injection system: 500 ul

Injection volume: 1 - 100 ul
Injection accuracy: ±0.2 ul
Function: Automatically add matrix improver; Automatically configure and establish calibration curves; Fully intelligent automatic dilution; Repeated injection enrichment and thermal injection; Automated residual removal eliminates cross contamination, while continuously inhaling air of different volumes controlled by a microcomputer for isolation, preventing contamination of the original solution; Intelligent adjustment of sampling and injection depth and speed.
data processing
Concentration calculation method: Standard curve method (6 linear or nonlinear curves)
Standard Addition
Interpolation method
Repeated measurement times: 1-30 times
Calculate the mean using mathematical statistics and provide the standard deviation and relative standard deviation,
Simultaneously provide both absorbance and concentration statistical results
Other features
Instrument settings: One click completion of all instrument parameters and calculation parameter settings
Three working modes: user-defined method invocation, continuation of last measurement, manufacturer recommended method
Element switching: Fast switching without optical error
Optional accessory hydride generator, circulating cooling water heater

Main features:

spectroscopic system
Optical system: C-T type aberration correction

Optical path system: single/double beam
Wavelength range: 190.0-900nm automatic adjustment
Spectral bandwidth: Automatic switching between 0.1, 0.2, 0.4, 0.7, 1.4, and 2.0nm
Static (Cu) ± 0.003Abs/30min

Dynamic (Cu) ± 0.003Abs/30min
Lamp stand specification: 8 lamp stands with automatic positioning