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The solubility of copper-containing calcium -phosphate glasses is determined as a function of the ratio CaO : P 2 O 5 , Al 2 O 3 additions, and CuO content. The glasses are characterized by high solubility in boiling water. The recorded flow of copper ions into the water ranges from 60 to 125 ppm; this makes it possible to classify the synthesized glasses as biocides. The ratio of the modifying cations and glass former, determining the structure of the phosphorus -oxygen framework of the glass, has the greatest effect on the solubility of the glass; the introduction of Al 2 O 3 and substitution of copper oxide for calcium oxide has the weakest effect.

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