( ( Using ( a ( fluoride ( ion-specific electrode ) ) ) ) ( , ( ( ( the number ) ( of ( ( fluoride atoms ) ( per ( ( aluminum ( or ( beryllium atom ) ) ) ( in ( the ( bound complex ) ) ) ) ) ) ) ) ( ( could ( be determined ) ) . ) ) ) )
(ROOT (S (S (VP (VBG Using) (NP (DT a) (JJ fluoride) (JJ ion-specific) (NN electrode)))) (, ,) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NN fluoride) (NNS atoms)) (PP (IN per) (NP (NP (NN aluminum) (CC or) (NN beryllium) (NN atom)) (PP (IN in) (NP (DT the) (JJ bound) (NN complex)))))))) (VP (MD could) (VP (VB be) (VP (VBN determined)))) (. .)))
Using a fluoride ion-specific electrode, the number of fluoride atoms per aluminum or beryllium atom in the bound complex could be determined.
(ROOT (S (NP (NP (DT The) (JJ low) (JJ atomic) (NN number)) (PP (IN of) (NP (NN beryllium)))) (VP (VBZ allows) (S (NP (PRP it)) (VP (TO to) (VP (VB absorb) (NP (NNPS x-rays)))))) (. .)))