简介:The ability of the ICP/AES (inductively coupled plasma/
atomic emission spectroscopy) system to perform multielement
trace metal analysis of environmental samples
provided commercial laboratories with the needed incen简介:The ability of the ICP/AES (inductively coupled plasma/
atomic emission spectroscopy) system to perform multielement
trace metal analysis of environmental samples
provided commercial laboratories with the needed incentive
to enter into the business of trace metal analysis.
Previously, trace metals were typically analyzed using colorimetric
techniques, which were both cumbersome and
subject to interferences, or flame atomic absorption techniques,
which although almost interference free, were labor
intensive owing to their one element at a time analytical
mode. Even the furnace atomic absorption technique, for
years the standard bearer of low-level trace metal analysis,
is giving way to axial viewed ICP/AES techniques.
Taking the USEPA (United States Environmental
Protection Agency) SW-846 solid waste analysis manual
as an example, this article reviews the methods used for the preparation of samples and the ICP/AES analysis of
the prepared samples for trace metals in environmental
matrices. The review includes a detailed overview of
the quality control (QC) requirements for environmental
ICP/AES analysis.详细>