( ( ( ( Marggraf 's ) ( major work ) ) ( in ( inorganic chemistry ) ) ) ( ( ( ( included ( ( the ( improved production ) ) ( of ( ( ( phosphorus ( from urine ) ) and ) ( ( the detection ) ( of ( alkali ( metal salts ) ) ) ) ) ) ) ) ( in ( ( ( plant ash ) and ) ( their identification ) ) ) ) ( by ( flame test ) ) ) . ) )
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Marggraf's major work in inorganic chemistry included the improved production of phosphorus from urine and the detection of alkali metal salts in plant ash and their identification by flame test.
(ROOT (S (NP (DT The) (NN word) (NN alkali)) (VP (VBZ comes) (PP (IN from) (NP (DT the) (JJ arabic) (NN al-qili))) (, ,) (S (VP (VBG meaning) (`` ``) (NP (NP (NNS ashes)) (PP (IN of) (NP (NP (DT the) (JJ saltwort) (NN plant)) (PP (IN from) (NP (NN salt) (NNS marshes)))))) ('' '')))) (. .)))