What steps follow ashing the sample when analyzing minerals?
Answer
Atomic absorption or emission spectrometry.
When analytical chemistry is used to determine the mineral content of a food sample, the process often begins with ashing the sample to reduce the organic material to a residue containing the inorganic minerals. Following this ashing step, techniques such as atomic absorption spectrometry or emission spectrometry are employed. These advanced analytical methods allow scientists to directly measure the concentration of specific minerals present in the ash, ensuring a precise quantitative determination necessary for high-accuracy nutritional profiling.
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