Selection of Representative Constituents for Unknown, Variable, Complex, or Biological Origin Substance Assessment Based on Hierarchical Clustering.
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DOI: 10.1002/etc.5206
Abstract: Many of the newly produced and registered substances are complex mixtures or UVCBs (substances of unknown or variable composition, complex reaction products and biological materials). The latter often consist of a large number of constituents… read more here.
Keywords: hierarchical clustering; selection; selection representative; representative constituents ... See more keywords
The Next Frontier of Environmental Unknowns: Substances of Unknown or Variable Composition, Complex Reaction Products, or Biological Materials (UVCBs)
Sign Up to like & getrecommendations! Published in 2022 at "Environmental Science & Technology"
DOI: 10.1021/acs.est.2c00321
Abstract: Substances of unknown or variable composition, complex reaction products, or biological materials (UVCBs) are over 70 000 “complex” chemical mixtures produced and used at significant levels worldwide. Due to their unknown or variable composition, applying chemical… read more here.
Keywords: composition complex; assessment; unknown variable; variable composition ... See more keywords