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本方法提出用气相色谱法测定 4 硝基间甲酚中的水分 ,用外标法定量 ,具有分析速度快时间短 ,准确性高 ,减少对环境的污染的优点。本方法的变异系数为 0 .70 % ,平均回收率为 1 0 0 .9%
This method is proposed to determine the water content of 4-nitro-m-cresol by gas chromatography and quantified by external standard method. The method has the advantages of fast analysis time, high accuracy and less environmental pollution. The coefficient of variation of this method is 0.70%, the average recovery rate is 1 0 0 .9%