combining equal parts of all sources of each type of phosphorus supplement and using purified grade calcium phosphate monobasic monohydrate as a defined standard , the commercial mono/ dicalcium phosphates , dicalcium phosphates , and defluorinated phosphates averaged ( with 95 % confidence limits ) 93.6 +/- 7.6 , 88.3 +/- 8.2 , and 70.2 +/- 7.2 % phosphorus availability in a slope ratio bioassay .
C0795598
dicalcium phosphates
C0031705
phosphorus