The grinding base and its production methodological null second calcium phosphate anhydrous dishes dressed with sauce which

摘要

The grinding base and its production manner which suppress the reactivity for NaF are offered. The calcium diphosphate anhydrate the fact that it heats treats under existing of magnesium content chemical compound and the condensation phosphorus acid chloride is included, production manner of the grinding base. The abundance of magnesium content chemical compound, is the range 1500 - 5000ppm as a magnesium tonnage vis-a-vis the calcium diphosphate anhydrate, the abundance of the condensation phosphorus acid chloride, mol ratio of the cation component which forms the condensation phosphorus acid chloride for the magnesium of magnesium content chemical compound the range of 0.4/n - 12/n (however, n is the number of values of the above-mentioned cation component) to be, heating treatment condition, is the range of 100 - the 300C. The grinding base which designates the calcium diphosphate anhydrate which is something which contains magnesium and the condensation phosphorus acid chloride, suppresses the reactivity of the fluorine compound as the main component. Content of magnesium is the range 1500 -, 5000ppm is the range of 0.4/n - 12/n as the mol ratio content of the cation component which forms the condensation phosphorus acid chloride for the content of magnesium.