氧化燃烧—气相色谱法测定土壤中的有机碳含量
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胡梦颖, 徐进力, 朱颖涛, 张鹏鹏, 张灵火, 徐红纳, 白金峰, 张勤
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A method for determination of total organic carbon in soil by oxidative combustion and gas chromatography
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HU Meng-Ying, XU Jin-Li, ZHU Ying-Tao, ZHANG Peng-Peng, ZHANG Ling-Huo, XU Hong-Na, BAI Jin-Feng, ZHANG Qin
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表2 方法精密度结果
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Table 2 Precision of the method
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| 样品 | 12次测定结果/% | 平均值
/% | 标准值
/% | RSD/% | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | | GSS3 | 0.51 | 0.52 | 0.52 | 0.52 | 0.53 | 0.54 | 0.53 | 0.53 | 0.53 | 0.53 | 0.53 | 0.53 | 0.53 | 0.51 | 1.10 | | GSS19 | 0.99 | 0.99 | 0.99 | 0.96 | 0.97 | 1.00 | 0.99 | 0.99 | 0.98 | 1.01 | 0.99 | 0.99 | 0.99 | 1.00 | 1.29 | | GSS29 | 1.06 | 1.12 | 1.08 | 1.12 | 1.10 | 1.12 | 1.08 | 1.09 | 1.06 | 1.12 | 1.10 | 1.08 | 1.09 | 1.12 | 1.93 | | GSS31 | 0.94 | 1.06 | 1.03 | 0.98 | 0.96 | 1.01 | 1.05 | 0.95 | 0.97 | 1.03 | 1.03 | 0.97 | 1.00 | 1.02 | 4.11 | | GSS35 | 2.08 | 2.03 | 1.97 | 2.03 | 2.07 | 2.00 | 2.01 | 2.07 | 2.07 | 1.94 | 2.02 | 2.05 | 2.03 | 2.00 | 2.08 |
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