| 磷钒钼酸铵差示光度法测定复混肥中磷含量 |
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| 引用本文： | 庄炳游. 磷钒钼酸铵差示光度法测定复混肥中磷含量[J]. 聊城大学学报(自然科学版), 2000, 0(2) |
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| 作者姓名： | 庄炳游 |
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| 作者单位： | 昌潍师范专科学校化学系!潍坊261043 |
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| 摘 要： | 复混肥中的磷经柠檬酸铵溶液浸取 ,在硝酸介质中 ,正磷酸盐与钼酸铵及偏钒酸铵反应 ,生成黄色配合物 .在 42 0 nm处 ,用差示法测定吸光度 ,从而求得磷含量 .
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| 关 键 词： | 磷 差示光度法 复混肥 |
Differential Photometric Determination of Phsphorus in Mixed Fertilizers by Phospho-vanado-molybdate Method |
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| Zhuang Bingyou. Differential Photometric Determination of Phsphorus in Mixed Fertilizers by Phospho-vanado-molybdate Method[J]. JOURNAL OF LIAOCHENG UNIVERSITY (NATURAL SCIENCE, 2000, 0(2) |
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| Authors: | Zhuang Bingyou |
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| Abstract: | In this paper,the process of determining the content of phosphorus using Phospho|vanado|molybdate method is reported.The phosphorus in mixed fertilizers is extracted via neutral ammonium citrate solution and reacting with ammonium molybdate(in HNO 3 solution)to produce a yellow complex substance.The content of phosphorus is determined by differential spectrophotometry at 420nm.; |
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| Keywords: | Phosphorus Differential spectrophotometry determination Mixed fertilizers |
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