High transmittance glass sheet and method of manufacturing the same

A method of suppressing formation of nickel sulfide in a high transmittance glass sheet, the high transmittance glass sheet having a solar radiation transmittance of 87.5% or higher and/or a visible light transmittance of 90.0% or higher on a basis of a 4.0 mm thick glass sheet, the method comprising:

• preparing a glass raw material so that a content of total iron oxide in terms of Fe2O3 is less than 0.020 wt % and a content of zinc oxide is 0.006 to 2.0 wt. %;
• and
• melting the glass raw material.

A method of manufacturing a soda-lime glass that allows formation of nickel sulfide particles in a glass formed by melting to be suppressed by addition of a zinc compound to a glass raw material,

• wherein when a content of total iron oxide (in terms of Fe2O3) in a glass is increased or decreased from a predetermined value, within a range of 0.005 wt. % to 0.06 wt. %, a content of the zinc oxide is decreased or increased from a predetermined value according to an increase or a decrease in the content of the total iron oxide, within a range of 0.006 to 2.0 wt. %, whereby the glass exhibits high transmittance with a visible light transmittance of 90.0% or higher on a basis of a 4.0 mm thick glass sheet, while suppressing formation of nickel sulfide particles in the glass.