| 测定土壤有机质分析方法中油浴加热技术的改进 |
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| 引用本文： | 张力,李艳红,宋申年,兰俊康,李纯,刘康怀,赵文玉.测定土壤有机质分析方法中油浴加热技术的改进[J].吉林化工学院学报,2002,19(1):16-18. |
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| 作者姓名： | 张力 李艳红 宋申年 兰俊康 李纯 刘康怀 赵文玉 |
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| 作者单位： | 1. 桂林工学院,环境化工系,广西,桂林,541004
2. 桂林站机务段,技术科,广西,桂林,541004 |
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| 基金项目： | 广西自然科学基金资助项目 (98110 2 9) |
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| 摘 要： | 采用JH - 12型COD恒温加热器消解土壤样品 ,测定其有机质含量 .通过对样品消解温度、沸腾消解时间的实验设计 ,确定样品消解温度为 175℃ ,沸腾消解时间为 5min .实验样品的平均含量与外检结果相比 ,其相对偏差仅为 0 .8% .在本实验条件下 ,对广西区内 6 5个土壤样品进行了测试 ,经随机抽查 ,相对偏差均小 5 % ,与经典的油浴加热法相比 ,该方法方便、快捷 ,减少了环境污染 ,提高了劳动效率
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| 关 键 词： | 土壤 有机质 COD恒温加热器 样品消解 |
| 文章编号： | 1007-2853(2002)01-0016-03 |
| 修稿时间： | 2001年10月25 |
The improvement of oil-bath heating technique for the analysis method of organic matter measurement of soil |
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| ZHANG Li ,LI Yan hong ,SONG Shen nian ,LAN Jun kang ,LI Chun ,LIU Kang huai ,ZHAO Wen yu.The improvement of oil-bath heating technique for the analysis method of organic matter measurement of soil[J].Journal of Jilin Institute of Chemical Technology,2002,19(1):16-18. |
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| Authors: | ZHANG Li LI Yan hong SONG Shen nian LAN Jun kang LI Chun LIU Kang huai ZHAO Wen yu |
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| Affiliation: | ZHANG Li 1,LI Yan hong 1,SONG Shen nian 2,LAN Jun kang 1,LI Chun 1,LIU Kang huai 1,ZHAO Wen yu 1 |
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| Abstract: | For the determination of organic matter contents of soil samples, a JH 12 COD constant temperature heater is used to decompose the soil samples. After the concerned parameters settled at the lab, the decomposing temperature is measured at 175℃ and the decomposing time is 5 minutes. It is found that the relative errors are no more than 0.8% by comparing the results between experiments and trip tests. Under the experimental conditions, 65 soil samples from Guangxi are examined. The relative errors are all less than 5% by random sampling. Compared with traditional oil bath heating methods, this method is more convenient and rapider with less pollution and better effectiveness. |
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| Keywords: | soil ? organic matter ?COD constant temperature heater ?decomposing sample |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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