The working principle of determination of total sulfur in coal by coulometry was introduced,the remarkable problems were discussed,and the usual malfunctions were analyzed in this paper.

• 介绍了库仑法测定煤中全硫的工作原理,探讨了在使用库仑测硫仪测定煤中全硫时应注意的问题,并分析了常见的一些故障。