Atomic Absorption Spectroscopy (AAS)

AAS is undertaken to test for metals. This technique is performed in-house and is best suited to samples in the ppm (mg/l) concentration range. A large number of elements can be analysed in this manner. For more sensitive detection ICP-MS is carried out by our accredited subcontractors. This system differs from AAS in that a full screen of elements can be analysed at once rather than being restricted to a single element at a time. Using ICP-MS also results in a much lower limit of detection, generally ppb (µg/l) concentration range, particularly important for heavy metal analysis.

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