( ( The user ) ( specifies ( ( ( ( ( ( ( ( the substance ) ( -LRB- ( ( ( e.g. , ) ( citric ( ( acid or ) ethylenediamine ) ) ) -RRB- ) ) ) , ) ( ( the ( desired ( pH ( , ( ionic strength ) ) ) ) ) ( , ( and ( volume , ) ) ) ) ) and ) ( ( the program ) ( indicates ( quantity ( of ( the ( substance ( to ( be ( ( used along ) ( with ( ( the ( calculated amount ) ) ( of ( strong acid ) ) ) ) ) ) ) ) ) ) ) ) ) ) or ) ( ( strong base ) ( required ( to ( achieve ( the ( desired pH. ) ) ) ) ) ) ) ) )
(ROOT (S (NP (DT The) (NN user)) (VP (VBZ specifies) (NP (NP (NP (DT the) (NN substance)) (PRN (-LRB- -LRB-) (NP (NNP e.g.)) (, ,) (NP (JJ citric) (NNS acid) (CC or) (NN ethylenediamine)) (-RRB- -RRB-)) (, ,) (NP (NP (DT the) (VBN desired) (NN pH) (, ,) (JJ ionic) (NN strength)) (PRN (, ,) (CC and) (NN volume) (, ,))) (CC and) (NP (NP (DT the) (NN program)) (SBAR (S (VP (VBZ indicates) (NP (NP (NN quantity)) (PP (IN of) (NP (DT the) (NN substance) (S (VP (TO to) (VP (VB be) (VP (VBN used) (PRT (RP along)) (PP (IN with) (NP (NP (DT the) (JJ calculated) (NN amount)) (PP (IN of) (NP (JJ strong) (NN acid))))))))))))))))) (CC or) (NP (NP (JJ strong) (NN base)) (VP (VBN required) (S (VP (TO to) (VP (VB achieve) (NP (DT the) (VBN desired) (NN pH.)))))))))))
The user specifies the substance (e.g., citric acid or ethylenediamine), the desired pH, ionic strength, and volume, and the program indicates quantity of the substance to be used along with the calculated amount of strong acid or strong base required to achieve the desired pH.
(ROOT (S (SBAR (IN If) (S (NP (DT a) (NN substance)) (VP (VBZ has) (NP (DT a) (NN ph) (NN value)) (NP (QP (JJR greater) (IN than) (CD 7)))))) (, ,) (NP (DT that)) (VP (VBZ indicates) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ is) (NP (NN base)))))) (. .)))
If a substance has a ph value greater than 7,that indicates that it is base.