Mercury analyzer RA-915M
organictemperatureair flow

mercury analyzer
mercury analyzer
mercury analyzer
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Tested parameter
temperature, air flow, organic, mercury, signal
laboratory, for environmental analysis
Other characteristics


RA-915M Mercury Analyzer with pyrolyzer PYRO-915+ (with large optical length of analytical cell and heated windows of the analytical cell is developed for unique direct mercury determination (no pretreatment procedures required) in complex organic samples at the level of few µg/kg. Using of RA-915M spectrometer with background correction and a developed two-chamber catalyst atomizer PYRO-915+ allows direct analysis of complex-matrix samples. PYRO-915+ atomizer consists of two chambers. The first is for evaporation of liquid and pyrolysis of solid samples. The second chamber is continuously heated about 800°C. There, all mercury compounds are dissociated and smoke and interference compounds are burst. The power supply unit of the attachment provides stable air flow speed and temperature of chambers and analytical cell. Method - Atomic absorption spectrometry. MEASUREMENT PROCEDURE Put the sample (from 20 to 300 mg) to the sample boat. Switch on integration of the analytical cell and insert the sample boat into PYRO-915+ attachment. Integration will be finished in 60-120 sec when the analytical signal goes back to the baseline. PRINCIPLE OF OPERATION Is based on the atomization of mercury contained in the sample in a thermal decomposition attachment PYRO-915+ and subsequent measuring the absorption of the 254-nm resonance radiation by mercury atoms using Zeeman correction for background absorption. FEATURES AND BENEFITS Unique direct mercury determination (no pretreatment procedures required) in liquid and solid samples (including complex matrix organic samples): waste water, blood, foodstuffs, oil and oil products, bottom sediments, rocks etc.;


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