Extraction of Naphtholsulfonic Acids from Aqueous Solutions. with the Use of a ... sorption characteristics of naphtholsulfonic acids were calculated, and a procedure ...
641.1 - Organic oxy acids of sulfur in which an organic portion is linked ... substituted also by -SO3H groups, may be named phenolsulfonic, naphtholsulfonic, ...
Mono- and bicyclic hydroxy compounds (phenol, chlorophenols, naphthols, and naphtholsulfonic acids) are industrial toxicants; these compounds occur in waste water ...
... 6-hydroxynaphtalène-2-sulfonique; beta-Naphtholsulfonic acid S; beta-Naphthol-6 ... Sulfonic acids are used as catalysts in esterification, alkylation and ...
Definitions for North American Industry Classication System categories: 325192 Cyclic Crude and ... Naphtholsulfonic acids manufacturing. 325192. 325192. 2865 ...
... compounds or the sulfomethylation products thereof with aromatic sulfonic acids ... acid and -naphtholsulfonic acids and their formaldehyde condensation products ...