aula-254 gold aula-254 gold - envea...analytical technique is commonly known as cold vapor atomic...
TRANSCRIPT
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Rinse station
Turn-table
Rinse pump
Photometer
Thermoelectricdehumidifi er
Crossfl owreactor
Rinse solution SnCl2Drain
Argon
NH3OHCl
KMnO4
T=98°C
Schematic fl ow diagram: AULA-254 Gold with Automatic Sample Digester ASD
MAIN APPLICATIONS
Environmental monitoring: Water, soils, sludge ...
Analysis of foodstuffs: fi sh, innards, plants ...
Medicine: urine, blood, saliva, hair ...
Chemical industry: process monitoring, quality control ...
Geochemistry, mining
Petrochemistry
Metallurgy and material testing
Applicable to EPA Methods: 245.1, 245.7, 1631, 7470, 7471A . . . .
SPECIFIC FEATURES
Fully automated fl ow analysis system
Compact modular construction
Integrated GoldTrap for maximum of sensitivity:
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ENVEA (Headquarters)111 Bd Robespierre / CS 8000478304 Poissy CEDEX 4 - FRANCE +33(0)1 39 22 38 00 [email protected]
Visit us at:www.envea.global
+33(0)1 39 22 38 00 [email protected]
TECHNICAL SPECIFICATIONS
Measuring principle:UV absorption (CVAAS),wavelength = 253.7 nm
Principle of preconcentration:Amalgamation on gold, thermal desorption by rapid heating (MI GoldTrap)
UV source:Electrodeless low-pressure mercury lamp (EDL)
Stabilization method: Reference beam method
Optical cell:Fused silica (Suprasil) l = 230 mmheated, approx. 45°C
Measuring range:• 10 ng/l to 50 μg/l (GoldTrap off)• 1 ng/l to 5 μg/l (GoldTrap on)
Detection limit:•