| 摘要 |
There is provided a granular material comprising (i) at least 50% by weight based on the weight of the granular material of solid water-insoluble mixed metal compound capable of binding phosphate of formula (I): MII1-xMIIIx(OH)2Lambdan-y.ZH2O (I) where MII is at least one of magnesium, calcium, lanthanum and cerium; MIII is at least iron(III); Lambdan- is at least one n-valent anion; x=Sigmany; 0<x<=0.67, 0<y<=1, and 0<=z<10; (ii) from 3 to 12% by weight based on the weight of the granular material of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.
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