{"id":1095,"date":"2026-06-25T15:49:52","date_gmt":"2026-06-25T10:49:52","guid":{"rendered":"https:\/\/alfa-lab.net\/?p=1095"},"modified":"2026-07-10T18:07:37","modified_gmt":"2026-07-10T13:07:37","slug":"assay_atomic_absorption_analysis","status":"publish","type":"post","link":"https:\/\/alfa-lab.net\/en\/assay_atomic_absorption_analysis\/","title":{"rendered":"Assay method with atomic absorption termination"},"content":{"rendered":"
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Analytical research<\/h4>\t\t\t\t<\/div>\n\t\t\t\t
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Assay method with atomic absorption termination<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Combined method for determining low gold and silver contents with assay melting and subsequent spectral analysis of the solution.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Low gold content<\/h3>

Determination of gold at low concentrations-from 0.05 g\/t.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t

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Combined method<\/h3>

Combination of assay melting and subsequent spectral analysis of the solution.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t

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Increased sensitivity<\/h3>

The method is used when standard assay analysis is not sufficient to accurately determine small concentrations.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t

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Gold and Silver<\/h3>

Determination of precious metals after dissolution of the gold-silver crown.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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About the method<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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The assay method with atomic absorption termination is used to increase the sensitivity and accuracy of the analysis when determining low gold and silver contents.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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The method combines assay melting with subsequent spectral determination of precious metals. After assay melting, the resulting gold-silver kinglet is dissolved in aqua regia, and then the resulting solution is analyzed by an instrumental method.<\/p>

As a final step, atomic absorption spectroscopy (AAS) or inductively coupled plasma atomic emission spectroscopy (ICP-AES) can be used. Modern devices allow you to determine small amounts of a substance in solutions.<\/p>

The assay-atomic absorption method makes it possible to determine the gold content from 0.05 g\/t. As a result, the method is widely used in modern analytical laboratories when working with materials with low concentrations of precious metals.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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What tasks are used for<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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