Tablas by GECOUSB | Material | 0 comentarios PS-3219 Characteristic IR Absorption Frequencies of Organic Functional Groups.pdf PS-3219 pKa values for organic compunds.pdf Enviar Comentario Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ