process at 80 C, as previously chosen.
The absorbance signal increased up to 10% (v/v) HNO3 concentration, and, after this point,they remained almost constant.
In the present case, nitric acid is responsible for the extraction of the zinc from the edible oil samples,which is present in the form of organometallic molecules or
organic complexes, and makes more easily atomised and thus increasing the analytical signal.
So, in order to obtain maximum extraction of the zinc from the edible oil samples, the HNO3 concentration of 10% (v/v) was chosen for the EIEB procedure.
process at 80 C, as previously chosen.
The absorbance signal increased up to 10% (v/v) HNO3 concentration, and, after this point,they remained almost constant.
In the present case, nitric acid is responsible for the extraction of the zinc from the edible oil samples,which is present in the form of organometallic molecules or
organic complexes, and makes more easily atomised and thus increasing the analytical signal.
So, in order to obtain maximum extraction of the zinc from the edible oil samples, the HNO3 concentration of 10% (v/v) was chosen for the EIEB procedure.
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