Based on present national standard and improvement of experimental situations,the analysis method of BSO is put forward by shortening reflux time when there are lots of samples within tight time.

• 根据现有国家标准方法,通过改进实验条件,在保证了实验数据准确度的前提下,在样品量大和时间紧的情况下,可缩短回流时间,提高分析效率,作到保质保量。