A demanding gold analysis technique is essential to determine the quality and purity of this priceless metal. To obtain accurate results, this method of analysis includes several important points:
Sample: Since the representation of the sample is critical for determination and accuracy, the procedure begins with a careful separation of a representative sample from the sample. source of gold.
Grinding and homogenization: The collected sample is then coarsely ground to ensure homogeneity. This step is necessary to obtain a representative part of the entire composition.
Fermentation: Chemical digestion is performed on the soil sample, usually involving a combination of acids, to remove impurities and leave only the gold behind.
Precipitation: All remaining impurities are removed after smelting by precipitation, leaving a pure solution containing gold
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