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Spectrophotometer - Drawell DW-AA4730FG Atomic Absorption

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FTIR, Raman and XRF Analyzer

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Rp.123

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DESCRIPTION
SPECIFICATION

Permanently equipped with both flame and graphite furnace atomize, switched by computer. Automatically determine the best position. Vertical 8 light stand, rotating light search by computer control, preheating and optimizing use conditions.
Total reflection optical system, using two aspherical optical elements to strictly correct astigmatism, effectively improve the monochromator entrance slit energy. Automatic wavelength scanning and peaking.

Spesifikasi:
Monochromator Type: Czerny – turner
Grating: 1800 lines/mm
Grating Flare Wavelength: 250nm
Wavelength Range: 190nm ~900nm
Bandwidth: 0.1 nm、0.2nm、0.4nm、0.7nm、1.0nm、2.0nm automatic
Spectral Bandwidth Deviation(Cu): ≤0.2nm +0.02nm(bandwidth 0.2nm)
Wavelength Repeatability: ≤0.03nm
Absorbance Range: -0.1~2.5a
Baseline Stability(Cu): ≤0.002A/15min (Static test)
Characteristic Concertration (Cu): 0.02μg/ml/1%
Lod(Cu): 0.003μg/ml
Wavelength indication Error: ±0.15nm
Measurement Repeatability(Cu): ≤0.45%(fame method)
Graphite Furnace Temperature Accuracy: ±10 ℃
Measurement LOD: Cd≤0.2×10-12g (GF method)
Temperature Control: 20-3000℃,maximum heating rate >2000℃/s
Heating Steps: 20 steps
Slope Heating Time: 0s-999s
Holding Heating Time: 1s ~ 999s (The sum of the slope heating time and the
holding heating time is not greater than 999s)
Measurement Repeatability: Cd≤2% (Use automatic sampler and platform graphite tube )
Characteristic Mass: Cd≤0.5pg
Lamp Stand: 8 lamps
Linear Error: Cd ≤10%
Graphite Furnace Heating Method: Longitudinal flux induction heating
Burner: Titanium burner
Atomizer: High efficiency glass atomizer
Premix Chamber: Explosion-proof
Power: AC220v±22v 50hz±0.5hz, 6600W
Host instrument: 850mmx637mmx575mm

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