Precious metal mining involves removing ore from the ground and subjecting them to a number of sample preparation methods for the extraction of the desired metals. Fire-assay is a widely used method ...
Together with water, foods supply the main part of the total daily intake of trace elements by humans. In the human diet around the world, vegetables and spices are some of the most common foods. In ...
The basic principles of AAS can be expressed as follows. Firstly, all atoms or ions can absorb light at specific, unique wavelengths. When a sample containing copper (Cu) and nickel (Ni), for example, ...
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