chemically pure
[/ˈkɛmɪkəli ˈpjʊr/]
adjective
quimicamente puro
1. A substance that contains no impurities or unwanted elements; meeting the highest standards of chemical purity with a composition of 99.9% or higher of the desired compound
The laboratory requires chemically pure water for all experiments.
O laboratório exige água quimicamente pura para todos os experimentos.
2. Free from contaminants, foreign particles, or other chemical substances that would affect its properties or composition
This chemically pure sodium chloride is suitable for pharmaceutical applications.
Este cloreto de sódio quimicamente puro é adequado para aplicações farmacêuticas.
This term is primarily used in scientific, pharmaceutical, and industrial contexts in both Brazil and the USA. It is part of standardized chemical nomenclature and grading systems (such as ACS or USP grades) used globally in laboratories and manufacturing facilities. The phrase appears frequently in product specifications and safety data sheets (MSDS/SDS).
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