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Spectrophotometer - Drawell DW-200 Atomic Absorption

Category :
FTIR, Raman and XRF Analyzer

Price :

Rp.123

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DESCRIPTION
SPECIFICATION

Automatically controlled changeover of the integrated flame and graphite furnace atomizer featuring easy operation and time-saving eliminate human labor.
A flame emission burner head can be installed to perform flame emission analysis on Alkali metals such as K, Na, etc.

Spesifikasi:
Main Specification:
Wavelength range: 190-900nm
Wavelength accuracy: Better than ±0.25nm
Resolution: Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2nm and valley-peak energy ratio less than 30%.
Baseline stability: 0.004A/30min
Background correction: The D2 lamp background correction capability at 1A is better than 30 times.
The S-H background correction capability at 1.8A is better than 30 times.
Light Source System:
Lamp turret: Motorized 6-lamp turret (Two high performance HCLs can be mounted on the turret to increase the sensitivity in flame analysis.)
Lamp current adjustment: Wide pulse current: 0~25mA, Narrow pulse current: 0~10mA.
Lamp power supply mode:
400Hz square wave pulse;
100Hz narrow square wave pulse + 400Hz wide square pulse wave.
Optical System:
Monochomator: Single beam, Czerny-Turner design grating monochromator
Grating 1800 l/mm
Focal length: 277mm
Blazed Wavelength: 250nm
Spectral Bandwidth: 0.1nm, 0.2nm, 0.4nm, 1.2nm, auto switch over
Dimensions and Weight:
Main unit:107X49x58cm, 140kg
Graphite furnace: 42X42X46cm, 65kg
Autosampler: 40X29X29cm, 15kg

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