高频红外分析法同时测定煤中碳和硫

Simultaneous Determination of Carbon and Sulfur in Coal Samples Using High Frequency IR-Absorption Spectrometric Method

报道了高频红外分析仪同时测定煤中碳和硫的方法 ,可测w(C)为 0 %～ 80 % ,w(S)为 0 %～ 2 .0 %。方法经国家一级标准物质分析验证 ,结果与标准值相符 ,相对标准偏差 (RSD ,n=8)C <1 .7% ,S <1 .3%。

A method for simultaneous determination of carbon and sulfur in coal samples by HFIR C/S analyzer is described in this paper. The proposed method provides a wide concentration range for carbon ( w =0%～80%) and sulfur ( w =0%～2%). The method has been verified by the determination of carbon and sulfur in standard reference coal samples. The results are in agreement with certified values with precision ( n =8) of<1.7% RSD for carbon and <1.3% RSD for sulfur.