Silicate glass, the silicate glass having a concentration of inclusions of less than 1 inclusion / cm 3, the silicate glass being produced from a batch of raw materials which contains at least one refining agent, the refining agent containing at least one inorganic compound which is at a temperature, in which a melt is formed acts as a source of water, the silicate glass containing one of a borosilicate glass, an aluminum silicate glass and manure: 60 to 70 mol% SiO2; 6 to 14 mol% Al2O3; 0 to 15 mol% B2O3; 0 to 15 mol% Li2O; 0 to 20 mol% Na2O; 0 to 10 mol% K2O; 0 to 8 mol% MgO; 0 to 10 mol% CaO; 0 to 5 mol% ZrO2; 0 to 1 mol% SnO2; 0 to 1 mole% CeO2; less than 50 ppm As2O3 and less than 50 ppm ...
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