荧光灯固态汞源的设计、开发和性能

介绍一种以SnHg5O球体作为注汞改善的方案。使用SnHg5O合金体的优点在于球体内部的液汞的汞蒸气压。热力学计算结果表明，不论是在室温还是在灯管的工作温度时，液态汞都是该合金的重要部分。该液相的汞可以确保该汞齐拥有经ZnHg50更高、比纯液态汞略低的汞蒸气压。SnHg5O球体的生产工艺是基于汞齐熔融时的表面张力来生成均匀的圆球体。为了避免球体表面存在液汞，使用粉末来进行包膜。包膜处理使得汞齐的使用可以像固体球一样，拥有极好的滚动性，满足灯管的高速生产要求。

Design, Development and Performance of a New Solid Mercury Dispenser for Fluorescent Lighting

The development of an improved Hg dosing solution in the form of SnHg50 spheres is described in this publication. The main asset for using a SnHg50 alloy is the presence of liquid Hg in the pellets. Thermodynamical calculations show that both at room temperature and at lamp operating temperatures, important part of the alloy is liquid Hg. This liquid Hg phase ensures a Hg vapor pressure which is higher than the one for ZnHg50 and just below the one of liquid Hg. The production process of the SnHg50 pellets is based on the surface tension of the melt, resulting in highly round and homogeneous spheres. To avoid the presence of liquid Hg at the surface of the spheres, they are coated using a powder. This results in pellets which handle like solid spheres having an excellent flowability and allowing for high lamp manufacturing speeds.