Amount of the adsorbed water of upper and lower surfaces of float glass is measured,Distri-bution of the unsaturated group on both surfaces is analyzed by means of XPS.

• 测定了浮法玻璃上表面与下表面的吸附水量，借助电子能谱分析了浮法玻璃表面不饱和“基团”的分布。