I understand that Cd is not best determined using Atomic Absorption spectrophotometer, so which is best-graphite furnace spectrophotometer, ICP-MS or what? And can results of Cd contents achieved through AAS be acceptable?
Mahboubeh Saeidi
I proposed ICP-AES (after removal of interferets in sample)for example SPE
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Mostafa Redwan
I agreed with Nina as the method you will use depend on the type of elements you want to measure and the required precision. ICP-MS give a detection limits for most elements better than those obtained by Graphite Furnace Atomic Absorption Spectroscopy, and used for trace and isotopic species compared to the few major elements with low precision measured by Atomic Absorption Spectroscopy.
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