Why Are the Essential Trace Elements Fluorine and Iodine Not

question 18

Multiple Choice

Why are the essential trace elements fluorine and iodine not measured by atomic absorption spectrophotometry (AAS) , as are all other essential trace elements?

• A)The concentration of fluorine and iodine are too high to be measured by AAS.
• B)The concentration of fluorine and iodine are too low to be measured by AAS.
• C)Fluorine and iodine cannot be differentiated by AAS, therefore measurement of either element is the sum of both elements.
• D)Fluorine and iodine are not metals and cannot be measured by AAS.

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