氧化燃烧—气相色谱法测定土壤中的有机碳含量

胡梦颖, 徐进力, 朱颖涛, 张鹏鹏, 张灵火, 徐红纳, 白金峰, 张勤

A method for determination of total organic carbon in soil by oxidative combustion and gas chromatography

HU Meng-Ying, XU Jin-Li, ZHU Ying-Tao, ZHANG Peng-Peng, ZHANG Ling-Huo, XU Hong-Na, BAI Jin-Feng, ZHANG Qin

表3 方法准确度结果

Table 3 Accuracy of the method

样品号 推荐值/% 测定值/% RE/% GSS3 0.51 0.52 2.16 GSS10 1.35 1.36 0.52 GSS11 1.07 1.07 -0.09 GSS13 0.62 0.65 5.00 GSS19 1.00 1.00 -0.04 GSS23 (0.50) 0.48 -3.4 GSS25 0.58 0.55 -4.48 GSS27 (0.90) 0.85 -5.78 GSS29 1.12 1.10 -1.70 GSS30 1.02 0.98 -3.63 GSS31 1.02 1.01 -0.59 GSS32 (0.30) 0.29 -2.67 GSS34 0.79 0.77 -2.15 GSS35 2.00 2.05 2.50