In view of the defects in GB, a novel method was proposed after many experiments to accurately measure the content of pyrites sulfur derived from coal.

• 摘要针对国标法难以准确测定含量高达40%25左右的煤系硫铁矿中硫化铁硫的不足，通过多次试验提出一个可以准确测定高含量煤系硫铁矿中硫化铁硫的方法。