Hydrothermally treated product of compound having hydrotalcite-like crystal structure, composition thereof, and use thereof.

摘要

A hydrothermally treated product useful for treating an iron deficiency of a compound having a hydrotalcite-like crystal structure and represented by the following formula (I)
<Chemistry id="chema01" num="0001"><Image id="ia01" he="6" wi="85" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein A<Sup>n-</Sup> represents an anion having a valence of n, Mg<Sup>2+</Sup> is within the range of 0≦Mg<Sup>2+</Sup>≤x, Fe<Sup>3+</Sup> is within the range of 0≦Fe3<Sup>+</Sup>≤2, x is a number represented by 1≦x<20, z is a number represented by 0<z<3, and m is a number represented by 0≦m<20,
the product being formed by the thermal treatment of the compound of formula (1) at a temperature of about 100°C to about 200°C in an aqueous medium.