di-2-ethylhexyl hydrogen phosphate ( hdehp ) and 2-ethylhexyl dihydrogen phosphate ( h ( 2 ) mehp ) are compared as stationary phases in reversed-phase chromatography of selected lanthanides , strontium , yttrium , barium , manganese ( ii ) , iron ( iii ) , cobalt ( ii ) , nickel , gold ( iii ) , platinum ( iv ) , palladium ( ii ) and silver .
C0020275
hydrogen
C0011744
h ( 2