| 数字光栅近红外漫反射法测定复合肥中总磷 |
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| 引用本文： | 苏彩珠,郑淑云,陈奕,邱敏敏,陈晓翔,黄文志. 数字光栅近红外漫反射法测定复合肥中总磷[J]. 理化检验(化学分册), 2009, 0(9) |
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| 作者姓名： | 苏彩珠 郑淑云 陈奕 邱敏敏 陈晓翔 黄文志 |
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| 作者单位： | 黄埔出入境检验检疫局检测中心;中国检验认证集团广东有限公司黄埔分公司;广东省农业科学院; |
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| 基金项目： | 广东出入境检验检疫局(2005GDK59) |
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| 摘 要： | 利用数字光栅近红外漫反射技术快速、简便、穿透能力较强的特点建立复合肥中总磷(五氧化二磷)含量的方法,包括定标、建模、验证和应用试验等。结果表明:(1)检测只需几分钟,而且无需称样和消耗化学试剂。(2)与磷钼酸喹啉重量分析法相比,其定标标准偏差为0.13%,定标相关系数为0.995 9;验证标准偏差为0.15,验证相关系数0.994 8;(3)初步应用该法测定52个复合肥样品,预测标准偏差为0.29%,相关系数为0.985 0,与建模和验证结果相近。
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| 关 键 词： | 近红外漫反射 数字光栅 复合肥 总磷(五氧化二磷) |
Digital Grating NIR Diffuse Reflectometric Determination of Total Phosphorus in Compound Fertilizer |
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| SU Cai-zhu,ZHENG Shu-yun,CHEN Yi,QIU Min-min,CHEN Xiao-xiang,HUANG Wen-zhi. Digital Grating NIR Diffuse Reflectometric Determination of Total Phosphorus in Compound Fertilizer[J]. Physical Testing and Chemical Analysis Part B:Chemical Analgsis, 2009, 0(9) |
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| Authors: | SU Cai-zhu ZHENG Shu-yun CHEN Yi QIU Min-min CHEN Xiao-xiang HUANG Wen-zhi |
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| Affiliation: | SU Cai-zhu~1,ZHENG Shu-yun~2,CHEN Yi~3,QIU Min-min~2,CHEN Xiao-xiang~2,HUANG Wen-zhi~1 (1.Testing Center,Huangpu Entry-Exit Inspection and Quarantine Bureau,Guangzhou 510700,China,2.China Certification and Inspection Group Guangdong Co.Ltd.,Huangpu Branch,3.Guangdong Academy of Agriculture,Guangzhou 510600,China) |
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| Abstract: | Utilizing the peculiarities of strong penetrating ability of NIR diffuse reflectance,conveniency and rapidity of operation,digital grating-NIR diffuse reflectometry was applied to the determination of total phosphorus (expressed as P_2O_5) in the compound fertilizer,nitrophoska,including testings of standardization,establishment of mathematical model,verification and application.As shown by the experimental results,(1) only few minutes were required for a determination without the necessity of weighing of s... |
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| Keywords: | NIR diffuse reflectometry Digital grating Compound fertilizer Total phosphorus(P_2O_5) |
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