The topic of how to raise the precision of trace of carbon and sulfur was discussed.We suppose that it is necessary to debase the analyzing error in ordor to raise the trace of carbon and sulfur.

• 就如何提高高频红外分析痕量碳硫样品的精度进行了探讨,提出要提高痕量碳硫样品分析精度一定要降低测量误差。