( ( ( The anions ) ( from ( ( ( ( the surfactants ) , ) ( sodium ( butyl ( sulfate ( and ( sodium ( dodecyl sulfate ) ) ) ) ) ) ) , ) ) ) ( ( were ( used ( to ( ( exchange ( in ( solution ( for ( the ( acetate anion ) ) ) ) ) ) ( by ( ( ( a heating ) and ) ( aging process ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS anions)) (PP (IN from) (NP (NP (DT the) (NNS surfactants)) (, ,) (NP (NN sodium) (NN butyl) (NN sulfate) (CC and) (NN sodium) (NN dodecyl) (NN sulfate)) (, ,)))) (VP (VBD were) (VP (VBN used) (S (VP (TO to) (VP (VB exchange) (PP (IN in) (NP (NP (NN solution)) (PP (IN for) (NP (DT the) (JJ acetate) (NN anion))))) (PP (IN by) (NP (NP (DT a) (NN heating)) (CC and) (NP (VBG aging) (NN process))))))))) (. .)))
The anions from the surfactants, sodium butyl sulfate and sodium dodecyl sulfate, were used to exchange in solution for the acetate anion by a heating and aging process.
(ROOT (S (NP (PRP You)) (VP (MD can) (VP (VB find) (NP (NN sodium) (NN acetate)) (PP (IN in) (NP (DT a) (NN heat) (NN pack))))) (. .)))