鞣酸比色法快速定量测定砂石及土壤中有机质含量研究 |
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引用本文: | 方新蓉,苏舒,唐富江,蔡苹杨.鞣酸比色法快速定量测定砂石及土壤中有机质含量研究[J].现代农业科技,2013(4):224-225. |
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作者姓名: | 方新蓉 苏舒 唐富江 蔡苹杨 |
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作者单位: | 四川省地质勘察院环境工程中心 |
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摘 要: | 研究鞣酸相对有机质的换算方法,并进行了鞣酸标准曲线的制作,确定了最大且稳定的吸收波长和氢氧化钠介质浓度及标准溶液的稳定时间,方法简便快捷,灵敏准确,对多个样品进行了此法和国标法结果对照,取得满意的结果。
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关 键 词: | 鞣酸 比色 定量测定 砂石 有机质 |
Research of Quantitative Rapid Detect Organic Matter in Sand and Soil Via Colorimetry |
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Authors: | FANG Xin-rong SU Shu TANG Fu-jiang CAI Ping-yang |
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Institution: | (Environmental Engineering Center,Geological Exploration Institute of Sichuan Province,Chengdu Sichuan 610072) |
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Abstract: | The conversion method of Tannin relatively organic matter had been studied , and standard curve of Tannin had been drawn.The stable maximum absorption wavelength , concentration of sodium hydroxide medium and stabilization time of standard solution had been confirmed.The method is simple , rapid , sensitive and accurate.The present method was compared with national standard method to detect several samples , and got the satisfactory results. |
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Keywords: | Tannin colorimetry quantitative detect sand organic matter |
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