Thermal Waste Treatment Applications in Italy
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Direct AA Mercury determination in cosmetics
INTRODUCTION High mercury concentration can be found in such cosmetic products as skin lightening soaps and creams, makeup cleansing products, and mascara. Mercury in cosmetics exists as inorganic and organic compounds. Inorganic mercury (e.g. ammoniated mercury) is used in skin lightening soaps and creams. Organic mercury compounds, such as thiomersal, are used as cosmetic preservatives in makeup cleansing products and ...
By Lumex Instruments Distributor in Vilnius, ITALY.
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Direct atomic absorption mercury determination in oil and oil products
Introduction Determination of mercury in oil and petroleum hydrocarbon is currently a vital probl em due to the fact that the regulations for the mercury content in emission s from thermal power plants are becoming ever more stringent, and mercury poisons catalysts used in oil re ...
By Lumex Instruments Distributor in Vilnius, ITALY.
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Direct mercury determination in coal
Introduction Mercury is one of the most toxic trace contaminant naturally occurring in the coals. During the coal combustion process at the coal-fired power plants mercury is released into the environment. To manage effectively the stack gas cleaning process, it is necessary to know the mercury content in the coal, and also in stack gas, liquid and solid ...
By Lumex Instruments Distributor in Vilnius, ITALY.
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Direct mercury determination in foodstuff and mixed feed
Introduction: Direct (without any pre-treatment) atomic absorption or atomic fluorescence mercury determination in food and feed is difficult due to complex organic matrix. That is the reason why conventional AFS and AAS methods include sample digestion by acids and require compressed gases such as argon or oxygen. This makes analysis more complicated and costly and extends analysis time. Sample pre-treatment can also increase measurement errors. The use of a RA-915M/RA-915M+ mercury analyzer with a PYRO-915+ ...
By Lumex Instruments Distributor in Vilnius, ITALY.
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Determination of mercury in soil, bottom sediments, and geological materials
Introduction Analysis of soils and bottom sediments for mercury content is one of the most common analyses in the monitoring of environmental pollution. Background mercury concentrations in these objects are 10–100 μg/kg and in the polluted areas they exceed 10,000 ...
By Lumex Instruments Distributor in Vilnius, ITALY.
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