Cosmetics. Analytical approach for screening and quantification methods for heavy metals in cosmetics
Cosmetics. Analytical approach for screening and quantification methods for heavy metals in cosmetics
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1 Scope This Technical Report introduces most common and typical analytical approaches for screening and quantification of heavy metals of general interest at both raw material and finished product level. This Technical Report covers techniques from traditional colourimetric reaction, which can be executed without expensive instrument to the high-end one, like that of inductively coupled plasma-mass spectrometry (ICP-MS), which allows detection of elements at μg/kg level. Thus, this Technical Report covers the advantages and disadvantages of each analytical technique so that a suitable approach can be chosen. The intent of this Technical Report is not to set or suggest acceptable concentration limits of heavy metals in both raw materials and finished products which have to be determined by each regulatory authority.
NOTE 1 The term “heavy metals” is widely used without single definition.
NOTE 2 Elements can be specified as heavy metals by one legislation, while not by others.
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