epäpupuhtaudet
Epäpupuhtaudet is not a standard or widely recognized Finnish term. In most contexts it appears to be a nonstandard or mistaken form of the word epäpuhtaudet, which means impurities, contaminants, or impurities in a substance, process, or measurement. Because epäpuhtaudet is the established word, epäpupuhtaudet does not have a fixed or widespread definition in Finnish reference works.
Epäpuhtaudet is used across several domains to denote substances or factors that reduce purity. In chemistry
For writers and editors, the standard practice is to use epäpuhtaudet (or the corresponding inflected form)
In summary, while epäpupuhtaudet is not established in Finnish lexicography, it is likely a mistaken form of