This article introduced the usual terms of grain size,measurement and production control for high -purity barium carbonate.it also presented some measures to control grain size in the production.

• 介绍了高纯碳酸钡的常见粒度表述术语,评价方法与生产控制手段,为高纯碳酸钡生产中的粒径控制提供了多条途径。