Afinidad was founded in 1921 and is the oldest journal in theoretical and applied chemistry published nowadays in Spanish language. Afinidad accepts reviews, original articles and short communications about all aspects of chemical engineering, process engineering, chemistry and biotechnology.

Afinidad 成立于1921年，是目前用西班牙語出版的最古老的理論和應用化學雜志。Afinidad接受關于化學工程、過程工程、化學和生物技術各方面的評論、原創文章和簡短通信。